Question

Simplify the expression -4x2(3x − 7).

A.
-12x^3 + 28
B.
-12x^3 + 28x^2
C.
-12x^3 − 28
D.
-12x^3 − 28x^2

Answer 1

Answer: The answer is B because x+y=28x2=79

Explanation:

Answer 2

B

Explanation:

-4x^2(3x − 7) = 3x (-4x^2)-7 (-4x^2)

= -12x^3 + 28x^2