document.write( "Question 1010018: how do I solve $\"x%5E2-7x=18\"$ while setting the equation to 0 first? \n" ); document.write( "

Algebra.Com's Answer #625495 by MathLover1(20849) $\"\"$ $\"About$

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\n" ); document.write( "\n" ); document.write( " $\"x%5E2-7x=18\"$ .......move $\"18\"$ to the left\r
\n" ); document.write( "\n" ); document.write( " $\"x%5E2-7x-18=0\"$ ....factor completely; first write $\"-7x\"$ as $\"2x-9x\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x%5E2%2B2x-9x-18=0\"$ .........group\r
\n" ); document.write( "\n" ); document.write( " $\"%28x%5E2%2B2x%29-%289x%2B18%29=0\"$ ...factor out $\"x\"$ from first group and $\"9\"$ from second group\r
\n" ); document.write( "\n" ); document.write( " $\"x%28x%2B2%29-9%28x%2B2%29=0\"$ ...factor out $\"x%2B2\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"%28x-9%29%28x%2B2%29=0\"$ \r
\n" ); document.write( "\n" ); document.write( "solutions:\r
\n" ); document.write( "\n" ); document.write( "if $\"%28x-9%29=0\"$ => $\"highlight%28x=9%29\"$
\n" ); document.write( "if $\"%28x%2B2%29=0\"$ => $\"highlight%28x=-2%29\"$ \r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

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