SOLUTION: Foil (7x^4-8)(x^8-1) I do not understand what to do with the (7x^4)*(x^8) 7x^4*-1=-7x^4 -8*x^8=-8x^8 -8*-1=8

SOLUTION: Foil (7x^4-8)(x^8-1) I do not understand what to do with the (7x^4)(x^8) 7x^4-1=-7x^4 -8x^8=-8x^8 -8-1=8

Question 394476: Foil (7x^4-8)(x^8-1)
I do not understand what to do with the (7x^4)*(x^8)
7x^4*-1=-7x^4
-8*x^8=-8x^8
-8*-1=8
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
(7x^4-8)(x^8-1)
I do not understand what to do with the (7x^4)*(x^8)
Add the exponents.
-------------------
= 7x^12 - 8x^8 - 7x^4 + 8

RELATED QUESTIONS
-7x - 1/8 =... (answered by ReadingBoosters)

-7x - 1/8 =... (answered by ReadingBoosters)

7x+4=3x-8-7x+1... (answered by jim_thompson5910)

Which of the Following is a factored form of tthe epression 7x^2+10x-8 A. (x-1) (7x+8)... (answered by fulio1,MathTherapy)

how do i solve the following equation for x: 2 - 4(3x + 1) = 8 -... (answered by checkley75,stanbon)

-7x+4=8 what is x (answered by edjones)

6x-4/8 +... (answered by jim_thompson5910)

7x+8=4-2x (answered by jim_thompson5910)

8(x+1)-7x>... (answered by stanbon)