Question

Help with #7 please I don’t understand

Answer 1

so your answer is A.

Answer 2

A

Explanation:

(2x^2 + 3x - 4) (x + 4)

FOIL.

2x^2 times x = 2x^3

3x times x is 3x^2

-4 times x = -4x

2x^2 times 4 = 8x^2

3x times 4 = 12 x

-4 times 4 = -16

Combine like terms to get 2x^3 + 11x^2 + 8x - 16.