Monday

April 21, 2014

April 21, 2014

Posted by **saya** on Sunday, May 6, 2012 at 1:30am.

- math12 -
**Reiny**, Sunday, May 6, 2012 at 7:40amlet y = 3^x , then your equation becomes

y^2 - 4y + 3 = 0

(y-3)(y-1) = 0

y = 3 or y = 1

then

3^x = 3 ---> x = 1

3^x = 1 ---> x = 0

**Related Questions**

math please - Solve 3^2x + 3^x - 21 check extraneous roots

alg2 - solve for 10/x^2-2x + 4/x = 5/x-2 3x/x+1 + 6/2x = 7/x 8(x-1)/x^2-4 = 4/x-...

algebra - Solve the equation check for extraneous solutions 9[9-8x]=2x+3 please ...

math - Solve. Check for extraneous solutions. 1) (/3x+7) = x-1 2) (3/2x)-3=9 ...

math - Solve. Check for extraneous solutions. 1) (/3x+7) = x-1 2) (3/2x)-3=9 ...

math - Solve. Check for extraneous solutions. 1) (/3x+7) = x-1 2) (3/2x)-3=9 ...

math - Solve. Check for extraneous solutions. 1) (/3x+7) = x-1 2) (3/2x)-3=9 ...

Calculus - relative extrema x^4-2x^2+5 so far I know how to find the derivative ...

Algebra II - Solve x^2+2x=-2 by graphing and indicate the roots.Please and thank...

Math - 1) Solve for x and check Radical (x^2-10x)=3i 2) Simplify (5+ Radical 2...