document.write( "Question 444323: find the sum of the solutions of the following quadratic equation x2+9x-36 \n" ); document.write( "

Algebra.Com's Answer #306402 by MathLover1(20849) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"x%5E2%2B9x-36=0\"$ ....factor it...replace $\"9x\"$ with $\"-3x%2B12x\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x%5E2-3x%2B12x-36=0\"$ .....group\r
\n" ); document.write( "\n" ); document.write( " $\"%28x%5E2-3x%29%2B%2812x-36%29=0\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x%28x-3%29%2B12%28x-3%29=0\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"%28x%2B12%29%28x-3%29=0\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x%2B12=0\"$ if $\"x=-12\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x-3=0\"$ if $\"x=+3\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"+graph%28+500%2C+500%2C+-24%2C+24%2C+-60%2C+25%2C+x%5E2%2B9x-36%29+\"$ \r
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