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7x(x+4) A. 7x^2+4 B. 7x^2+28x C.8x+4 D.8x+11

7x(x+4) A. 7x^2+4 B. 7x^2+28x C.8x+4 D.8x+11
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2 votes
7x(x+4)

A. 7x^2+4
B. 7x^2+28x
C.8x+4
D.8x+11

User Walter West
by
7.0k points

1 Answer

0 votes

Use distributive property:

a(b + c) = ab + ac.

7x(x + 4) = (7x)(x) + (7x)(4) = 7x² + 28x

Answer: B. 7x^2 + 28x

User Jello
by
9.0k points
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