2x^(4/5) = 162
divide both sides by 2
x^(4/5) = 81
Raise both sides to the 5/4
(x^(4/5))^(5/4) = 81^(5/4) = (81^(1/4)^5
x = (the fourth root of 81)^5
= 3^5
= 243
Find x
2x^(4/5) = 162
I don't understand this problem. Step by step would be great thank you :)
1 answer
1 answer