anonymous
  • anonymous
Which polynomial represents the sum below? (-2x^3 + 4x^2 + 6) + (2x^2 + 6x + 3) A. -x^6 + 6x^2 + 12x + 9 B. -2x^3 + 6x^2 + 6x + 9 C. -2x^5 + 10x^2 + 6x + 9 D. -2x^3 + 6x + 9
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
Your answer should be B if you put all the common parts together you will find you can not simplify the equation any longer
anonymous
  • anonymous
thank you so much
anonymous
  • anonymous
No problem do you understand it?

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anonymous
  • anonymous
yes i do now thank u
anonymous
  • anonymous
Which polynomial represents the sum below? (2x^6 + 3x^2 + 9) + (3x^2 + x + 8) this is the answer i got 5x^8 + 3x^4 + x + 17 did i do it right
anonymous
  • anonymous
mmbuckaroos did i do this right ?
anonymous
  • anonymous
Ha ha let me check sorry I was working on something else...
anonymous
  • anonymous
ok no problem
anonymous
  • anonymous
No that's not right....Here I will go through the problem step by step
anonymous
  • anonymous
(2x^6 + 3x^2 + 9) + (3x^2 + x + 8) ok between both the sides what do you see in common?
anonymous
  • anonymous
3x^2
anonymous
  • anonymous
Right... so because there is nothing in common with 2x^6 I leave that then I would add the two common parts together so add 3x^2+3x^2 together and you should get 6x^2
anonymous
  • anonymous
Then there are no other x's so you leave the x alone. then add the 9&8 together and you should get 17.
anonymous
  • anonymous
ok yea now im getting it
anonymous
  • anonymous
Your final answer should be 2x^6+6x^2+x+17
anonymous
  • anonymous
Does that make sense i didn't do the best job explaining it sorry
anonymous
  • anonymous
yes it does now that u explained ill try another one and get back to u
anonymous
  • anonymous
Alright sounds like a plan Stan! Lol I'd trade that math for mine any day! lol
anonymous
  • anonymous
lol :)
anonymous
  • anonymous
6x^7+9x^3-x+9 + 2x^7+7x^6+6 this is the answer i got is it right 8x^7+7x^6+9x^3-x+15
anonymous
  • anonymous
how is this one mmbuckaroos
anonymous
  • anonymous
ok so what is your original equation again sorry is it: 6x^7+9x^3-x+9+2x^7+7x^6+6
anonymous
  • anonymous
yes and the answer i got is 8x^7+7x^6+9x^3-x+15 is it right
anonymous
  • anonymous
Yes sir! you got it good job!
anonymous
  • anonymous
well thank you im proud lol :)
anonymous
  • anonymous
Ha ha good you should be!
anonymous
  • anonymous
Which polynomial represents the sum below? (4x^2 + 3x + 4) + (-3x^6 - 4x^5 - 2x^2 + 5x) ok the answer i got is -x6 - 4x5 + 2x2 + 8x + 4
anonymous
  • anonymous
close look over it again.. I think you meant -3x^6
anonymous
  • anonymous
oh ok sorry yea i looked it over
anonymous
  • anonymous
Other than that you've got this down!
anonymous
  • anonymous
Good job!
anonymous
  • anonymous
Which polynomial represents the sum below? (18x^2 - 18) + (-13x^2 - 13x + 13) ok well the answer i got is 5x2 - 13x - 5
anonymous
  • anonymous
5x^2 - 13x - 5
anonymous
  • anonymous
i ment that
anonymous
  • anonymous
Yeppers! You're on a role!
anonymous
  • anonymous
wow thx u oh yea:)
anonymous
  • anonymous
Ha ha no problem!
anonymous
  • anonymous
7x^8 +5x^5 - x+8 + 5X^10 +9X+8 the answer i got is 12x16 + 4x4 + 7x + 16
anonymous
  • anonymous
No...make sure you have the correct original problem
anonymous
  • anonymous
If you do your highest power should be 5x^10 and there is nothing in common with that
anonymous
  • anonymous
5x10 + 7x8 + 5x5 + 8x + 16 is this the answer
anonymous
  • anonymous
yep!
anonymous
  • anonymous
sweet :)
anonymous
  • anonymous
Good job!
anonymous
  • anonymous
(x^6 + x ) + (8x^6 + 4) the answer i got for this one it 9x^6+5
anonymous
  • anonymous
I have to go get a horse trimmed, but if you have anymore questions I'll be back to answer them in a while
anonymous
  • anonymous
ok thank you very much for your help :)
anonymous
  • anonymous
alright sorry about that... Your last problem would be 9x^6 +x+4
anonymous
  • anonymous
im here
anonymous
  • anonymous
do oyu see where you made your mistake on that last one?
anonymous
  • anonymous
*you
anonymous
  • anonymous
yea
anonymous
  • anonymous
cool beans!
anonymous
  • anonymous
2x^5 -3x^3 + x^2 +4 + -3x^5 -2x^4 +x^3 +4x the answer i got is -1x^5 + 5x^6 + 2x^5 8x+-1
anonymous
  • anonymous
what do you think buck
anonymous
  • anonymous
close -x^5-2x^4-2x^3+x^2+4x+4
anonymous
  • anonymous
(5x4 - 3x2 - 2x) + (2x4 + 2x3 + 2x2 + x + 1) i really cant get this one
anonymous
  • anonymous
(5x^4 - 3x^2 - 2x) + (2x^4 + 2x^3 + 2x^2 + x + 1)
anonymous
  • anonymous
this is the right one
anonymous
  • anonymous
ok give me a sec
anonymous
  • anonymous
ok thank you
anonymous
  • anonymous
what is your answer
anonymous
  • anonymous
i couldnt get the answer for this one
anonymous
  • anonymous
ok... what do you see in common
anonymous
  • anonymous
3x^2 2x^3
anonymous
  • anonymous
mm not quite... ok so what's the highest power and is there anything similar to it
anonymous
  • anonymous
4 is the highest power
anonymous
  • anonymous
so what is in common with 5x^4
anonymous
  • anonymous
2x^4
anonymous
  • anonymous
right so add those together to get 7x^4 then do you see anything in common with 2x^3?
anonymous
  • anonymous
yea 3x^2
anonymous
  • anonymous
No because they have a different power... only alike powers can be put together.. Comprende?
anonymous
  • anonymous
sorry getting tired lol
anonymous
  • anonymous
2x^2
anonymous
  • anonymous
so 2x^3 should be by itself... ha ha it's ok and 2x^2 add that to -3x^2 because they share the same power.. are you following ?
anonymous
  • anonymous
yup so what next
anonymous
  • anonymous
you should get -x^2... Next, you have the x's with out powers in common (x & -2x) so you should put those together to get -x.
anonymous
  • anonymous
Then the 1 is all by it's lonesome self. Your answer should be: 7x^4+2x^3-x^2-x+1
anonymous
  • anonymous
thank you so much for all your help im leaveing im am tired
anonymous
  • anonymous
ha ha no problem anytime get some rest math wiz!

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