Question

(4x^7-9)(x^8-7) find the product

Answer 1

when you have x^2 * x^3, you add the exponents. so, x^5 is your result. Here, its FOIL with higher exponent values.

Answer 2

would it be (5x^15-16)

Answer 3

not quite. 2x^2 * x^3 = 2x^5 so....

Answer 4

4x^15

Answer 5

remember to FOIL. First times first, first times outside, inside times inside, then inside times outside. And yes.

Answer 6

ok

Answer 7

Thank you

Answer 8

no prob.