Question

How do you simplify `7(x^4)^5 (-4x^2)^2`?

Answer 1

`112x^24`

Explanation:

As `(x^m)^n=x^(mn)`,

`7(x^4)^5*(-4x^2)^2`

= `7x^(4*5)*(-4)^2*x^(2*2)`

= `7x^20*16*x^4`

= `112*x^(20+4)`

= `112x^24`