Question

Simplify this expression
4x(7x^2)
A 11x^2
B. 28x^2
C. 11x^3
D. 28x^3

Answer 1

D. 28x^3

Explanation:

4 x 7 (x * x^2)

Multiply x by x^2 by adding exponents.

4 x 7x^3

Multiply

4 x 7 = 28x^3

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Answer 2

28 x^3

Explanation:

4x(7x^2)

4 * x* 7* x*x

4*7 x*x*x

28 x^3