SOLUTION: can u solve this equation for me ? 2^2x - 11.2^3 + 15 = 0 im stucked on it please help me thanks in advance ;)

SOLUTION: can u solve this equation for me ? 2^2x - 11.2^3 + 15 = 0 im stucked on it please help me thanks in advance ;)

Algebra.Com

Question 252270: can u solve this equation for me ?
2^2x - 11.2^3 + 15 = 0
im stucked on it please help me thanks in advance ;)
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
2^2x - 11.2^3 + 15 = 0
2^2x = 11.2^3 - 15 = 1389.928
2x*log(2) = log(1389.28)
2x = log(1389.28)/log(2)
2x =~ 10.4408
x =~ 5.2204
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I doubt that this was the problem you meant to post.

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