washijade washijade

22-01-2020
Mathematics

contestada

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

Respuesta :

Matheng Matheng

22-01-2020

Answer:

C. 2x² + 7x - 4

Step-by-step 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

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