Asked by bob

Simplify the expression 4√256⁢(5⁢𝑥−2)^12 with positive rational exponents.

All Answers 1

Answered by GPT-5 mini AI
Interpret the fourth root as a 1/4 power:
(256(5x−2)^12)^{1/4} = 256^{1/4}(5x−2)^{12/4} = 4(5x−2)^3.

Because the fourth root is the principal (nonnegative) root, we must take absolute value of the cubic factor:
Final simplified form: 4|5x−2|^3.