document.write( "Question 154712: please help me solve this equation $\"x%28x-7%29=30\"$ \n" ); document.write( "

Algebra.Com's Answer #113917 by oscargut(2103) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"x%28x-7%29=30\"$
\n" ); document.write( "then
\n" ); document.write( " $\"+x%5E2-7x-30=0+\"$
\n" ); document.write( "then
\n" ); document.write( " $\"x+=+%28-%28-7%29+%2B-+sqrt%28+%28-7%29%5E2-4%2A%281%29%2A%28-30%29+%29%29%2F%282%2A1%29+\"$
\n" ); document.write( "then
\n" ); document.write( " $\"x+=%28+7+%2B-+sqrt%28+169+%29%29%2F2+\"$
\n" ); document.write( "then
\n" ); document.write( " $\"x+=+%287+%2B-+13%29%2F2+\"$
\n" ); document.write( "then
\n" ); document.write( "x=-3 or x=10 \n" ); document.write( "

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