SOLUTION: The question is multiply: (x^8 + 7x) (x^8 - 7x) Here's what I got. x^8(x^8) + x^8(-7x) + 7x(x^8) + 7x(-7x)= (x^16

SOLUTION: The question is multiply: (x^8 + 7x) (x^8 - 7x) Here's what I got. x^8(x^8) + x^8(-7x) + 7x(x^8) + 7x(-7x)= (x^16 - 49x^2 Is this right?

Question 337318: The question is multiply:
(x^8 + 7x) (x^8 - 7x)
Here's what I got.
x^8(x^8) + x^8(-7x) + 7x(x^8) + 7x(-7x)=
(x^16 - 49x^2
Is this right?
Found 2 solutions by checkley77, Alan3354:
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
(x^8 + 7x) (x^8 - 7x)
Here's what I got.
x^8(x^8) + x^8(-7x) + 7x(x^8) + 7x(-7x)=
(x^16 - 49x^2
Is this right?
YES! Good work.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
The question is multiply:
(x^8 + 7x) (x^8 - 7x)
Here's what I got.
x^8(x^8) + x^8(-7x) + 7x(x^8) + 7x(-7x)=
(x^16 - 49x^2
It's right. Add a right side parentheses, tho.
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