SOLUTION: Please help me solve: Log3x+log3(x+9)=5 3s are both subscripts.

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Question 436723: Please help me solve: Log3x+log3(x+9)=5

3s are both subscripts.
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
x(x+9) = 3^5

x^2 + 9x - 243 = 0

use quadratic formula to find x

REMEMBER: logarithms are NOT defined for negative arguments