Seudónimo Seudónimo

21-12-2019
Mathematics

contestada

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

Respuesta :

bayaankoolinaasir bayaankoolinaasir

21-12-2019

Answer:

B

Step-by-step explanation:

-4x^2(3x − 7) = 3x (-4x^2)-7 (-4x^2)

= -12x^3 + 28x^2

Answer Link

Аноним Аноним

22-12-2019

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

Step-by-step explanation:

Answer Link

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