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April 25, 2014

April 25, 2014

Posted by **Paul** on Monday, May 2, 2011 at 3:14pm.

3^(2x)-2*3^(x+5)+3^10= 0

- Math -
**Reiny**, Monday, May 2, 2011 at 3:38pmI can see it as being factored to

(3^x - 3^5)(3^x - 3^5) = 0

so 3^x - 3^5 = 0

3^x = 3^5

x = 5

- Math -
**Alex**, Monday, May 9, 2011 at 3:51pmRewrite the given equation using the substitutions x=rcos@ and y=rsin@. (@=theta)

Simplify your answer.

- Math -
**Ermek**, Tuesday, April 17, 2012 at 10:53pm(2x-3)*(x^2+9)*(x+5)=0

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