Question

PLS HELP - What is the product?

(2x-1)(x+4)

A- O 2x² - 4
B- O zx²+4
C- 2x?+7x-4
D- O 2x² - 7x-4

Answer 1

C. 2x² + 7x - 4

Explanation:

Given:

(2x-1)(x+4)

= 2x * (x+4) + (-1) * (x+4) ⇒ Distributive property.

= 2x² + 8x - x - 4 ⇒ Combine like terms.

= 2x² + 7x - 4

The answer is option C. 2x² + 7x - 4