carlenstar281
Math question help me!!!



This Question is Closed

carlenstar281
Best Response
You've already chosen the best response.
0
(x^23x+1) (x^2+2x+7)
Answer = 5x6
How i don't understand this ?

camoJAX
Best Response
You've already chosen the best response.
0
distribute the  sign through the (x^2+2x+7) and the x^2's will cancel. then go from there

skullpatrol
Best Response
You've already chosen the best response.
1
Do you understand now? @carlenstar281

carlenstar281
Best Response
You've already chosen the best response.
0
yes sorta why do I have to distribute the minus sign

skullpatrol
Best Response
You've already chosen the best response.
1
Because the opposite of a sum is the sum of the opposites.

skullpatrol
Best Response
You've already chosen the best response.
1
$$(a+b)=(a)+(b)$$

carlenstar281
Best Response
You've already chosen the best response.
0
oh I got it now thanks :)

skullpatrol
Best Response
You've already chosen the best response.
1
And now you can use $$a+b=b+a$$ to move the terms around.

camoJAX
Best Response
You've already chosen the best response.
0
think of an imaginary 1 right there where the  sign it.
\[(x^23x+1)  (x^2+2x+7)\]
\[(x^23x+1) + (x^22x7)\]

camoJAX
Best Response
You've already chosen the best response.
0
\[x^2+x^2=0\]
they are like terms kinda like 1+1=0

camoJAX
Best Response
You've already chosen the best response.
0
or you dont have to distribute it out either way they will cancel

skullpatrol
Best Response
You've already chosen the best response.
1
@camoJAX Please use parentheses :)

camoJAX
Best Response
You've already chosen the best response.
0
hahaha gotcha

skullpatrol
Best Response
You've already chosen the best response.
1
Thanks

skullpatrol
Best Response
You've already chosen the best response.
1
@carlenstar281 Do you want a more detailed explanation?