Respuesta :

wegnerkolmp2741o

Answer:

28 x^3

Step-by-step explanation:

4x(7x^2)

4 * x* 7* x*x

4*7   x*x*x

28 x^3

wrexn

Answer:

D. 28x^3

Step-by-step 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

Feel free to let me know if you need more help! :)