How do you multiply -3(2x)^4(4x^5y)^2?

2 Answers
Mar 2, 2018

768x^14y^2

Explanation:

-3(2x)^4(4x^5y)^2
-3*16x^4*16x^10y^2
-3*16*16*x^4*x^10*y^2
768x^14y^2

Mar 2, 2018

-3(2x)^4(4x^5y)^2= -768x^14y^2

Explanation:

-3(2x)^4(4x^5y)^2
= -3(2^4x^4)(4^2(x^5)^2y^2)
=-3(16)(x^4)(16)(x^10)(y^2)
= -768x^4x^10y^2
= -768x^14y^2