anonymous
  • anonymous
please help, im so lost add. 9x^6-9x^5+2x^4+9 8x^6+2x^5+5x^4+7 _______________________
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
17x^6-7x^5+7x^4+16
anonymous
  • anonymous
just do the apples with apples and oranges with oranges I.E: 9x^6+8x^6=17x^6
anonymous
  • anonymous
give it a try

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anonymous
  • anonymous
11x^10
anonymous
  • anonymous
when adding you are only allowed to do it this way
anonymous
  • anonymous
is that right
anonymous
  • anonymous
when multiplying you just add the exponents.
anonymous
  • anonymous
can you help me with the next one its subtraction?
anonymous
  • anonymous
ok what is it?
anonymous
  • anonymous
13a^5+19a^3 5a^5+11a^3 ______________
anonymous
  • anonymous
o.k, look at the ones with the same exponents.
anonymous
  • anonymous
I.E 13A^5 and 5A^5
anonymous
  • anonymous
8a?
anonymous
  • anonymous
notice since these two have the same exponents, you can subtract them.
anonymous
  • anonymous
bingo!!!
anonymous
  • anonymous
but you are missing the exponents...
anonymous
  • anonymous
5-5 is 0
anonymous
  • anonymous
so it would be 8a^5
anonymous
  • anonymous
when you are dealing with addition or subtraction you keep the number of exponents.
anonymous
  • anonymous
so if it was 3 and 5 i would add or subtract?
anonymous
  • anonymous
so 3x^2-2x^2 would be : x^2
anonymous
  • anonymous
so the answer is 8a^5 +8a^3?
anonymous
  • anonymous
remember to look at the exponent, if the terms have the same number of exponents than you can do the operation.
anonymous
  • anonymous
yup.
anonymous
  • anonymous
awesome thank you so so much :)
anonymous
  • anonymous
this only applies when you are adding or subtracting.
anonymous
  • anonymous
no problem.

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