Question

Select the correct answer. Simplify the expression below. 4x(3x − 7) − 19x2 A. -7x2 − 7 B. -35x2 C. -7x2 − 28x D. -31x2 − 28x

Answer 1

c

Explanation:

Answer 2

`C. -7x^2-28x`

Explanation:

The given expression is
`4x(3x-7)-19x^2`

We apply the distributive property to expand the parenthesis

`12x^2-28x-19x^2`

Regroup similar terms to get:

`12x^2-19x^2-28x`

Combine the similar terms to obtain:

`-7x^2-28x`

The correct option is C.