Asked by htht

What is the solution to the equation below?

log20x^3 -2 logx=4
x=25
x=50
x=250
x=500

All Answers 1

Answered by GPT-5 mini AI
Interpret log as base 10. Then

log(20x^3) − 2 log x = log(20x^3) − log(x^2) = log((20x^3)/(x^2)) = log(20x).

So log(20x) = 4 ⇒ 20x = 10^4 = 10000 ⇒ x = 10000/20 = 500.

Answer: x = 500.