document.write( "Question 493099: How do you solve f(x)=8?
\n" ); document.write( "With f(x)=x^2-x-12 \n" ); document.write( "

Algebra.Com's Answer #335283 by Gogonati(855) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"8=x%5E2-x-12\"$ Set the equation equal to zero\r
\n" ); document.write( "\n" ); document.write( " $\"x%5E2-x-20=0\"$ Solve this quadratic equation\r
\n" ); document.write( "\n" ); document.write( " $\"x%5E2-x-20=%28x%2B4%29%28x-5%29=0\"$ The roots are x=-4 and x=5. \n" ); document.write( "

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