Question

Simplify (4x– 4)– 3

A. -1/2x^4

B. -8x^12

C. -64x^9

D. x^12/64

Answer 1

X12/64A is the right answer

Answer 2

`Use:(a\cdot b)^n=a^n\cdot b^n\\\\(a^n)^m=a^(n\cdot m)\\\\a^(-n)=(1)/(a^n)\\\\\left(4x^(-4)\right)^(-3)=4^(-3)(x^(-4))^(-3)=(1)/(4^3)x^(-4\cdot(-3))\\\\=(1)/(64)x^(12)=\boxed{(x^(12))/(64)}`

Answer: D. x^12/64