Question

What is equivalent to(x+8)(x-7)

Answer 1

Hi there!

To multiply, we need to use f.o.i.l:

(x + 8)(x - 7)
= x * x - 7 * x + 8 * x - 8 * 7
= x^2 - 7x + 8x - 56
= x^2 + x - 56

Hope this helps!