Simplify the expression -4x2(3x − 7). A. -12x^3 + 28 B. -12x^3 + 28x^2 C. -12x^3 − 28 D. -12x^3 − 28x^2

asked Dec 14, 2020 90.0k views

1 vote

Simplify the expression -4x2(3x − 7).

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

by Spatz

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3 votes

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

Explanation:

Jki answered Dec 16, 2020

by Jki

5.2k points

5 votes

Answer:

Explanation:

-4x^2(3x − 7) = 3x (-4x^2)-7 (-4x^2)

= -12x^3 + 28x^2

Terencey answered Dec 20, 2020

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