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Mathematics, 28.12.2019 23:31 isabua

Simplify the expression -4x^2(3x − 7).
a.
-12x^3 + 28
b.
-12x^3 + 28x^2
c.
-12x^3 − 28
d.
-12x^3 − 28x^2

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You know the right answer?
Simplify the expression -4x^2(3x − 7).
a.
-12x^3 + 28
b.
-12x^3 + 28x^2
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