SOLUTION: (2x+3)^1.8=250 Solve for x 4 decimal places. I did not understand the answer I got.

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: (2x+3)^1.8=250 Solve for x 4 decimal places. I did not understand the answer I got.      Log On


   

Question 298042: (2x+3)^1.8=250
Solve for x
4 decimal places.
I did not understand the answer I got.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
(2x+3)^1.8=250
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If you don't understand it, how did you get it?
(2x+3)^1.8=250
Take the "1.8 root" of both sides.
The 1.8 root of 250 = 250%5E%281%2F1.8%29
2x+3 = 21.48764863
x =~ 9.2438