Question

Foil each pair of binomials:

(7x+2)(-8+1)=0

I got:
-56x^2-9x+2
Is that right?

Answer 1

Should that be "-8x" ...?

Answer 2

(7x+2)(-8x+1)=0

?

Answer 3

I distributed the 7 to everything(multiplied) and the 2..
I then got \[-56x^+7x-16x+2\].

Answer 4

http://www.wolframalpha.com/input/?i=%287x%2B2%29*%28-8%2B1%29 check out alternate form section

Answer 5

So then I am assuming it SHOULD be -8x that should have been written..and if that is correct...then your answer is correct

Answer 6

i think you are missing an x in the second one

(7x+2)(-8+1)
^ x here

Answer 7

-56 x^2-9 x+2

Answer 8

Haha(: I forgot about that site! Its all good now. Thanks everyone for helping! GBU!! <3 :)

Answer 9

No problem :)