document.write( "Question 672277: ln(x-7)+ln(x+9)=ln(9) Solve for x\r
\n" ); document.write( "\n" ); document.write( "What I have done:
\n" ); document.write( "ln[(x-7)(x+9)]=ln(9)
\n" ); document.write( "ln(x^2+2x-63)=ln(9)
\n" ); document.write( "x^2+2x-72=0
\n" ); document.write( "Then I get stuck If you could help that would be great!!
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Algebra.Com's Answer #417879 by solver91311(24713) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "Perhaps you were assuming that the quadratic is factorable over the integers. It is not. Use the quadratic formula. Hint: 292 factors to 4 times 73.\r
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "My calculator said it, I believe it, that settles it
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$\"The$

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