document.write( "Question 131672: x^2+12x-7 \n" ); document.write( "

Algebra.Com's Answer #96153 by checkley71(8403) $\"\"$ $\"About$

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x^2+12x-7
\n" ); document.write( "Using the quadratic equation: $\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"$ we get:
\n" ); document.write( "x=(-12+-sqrt[12^2-4*1*-7])/2*1
\n" ); document.write( "x=(-12+-sqrt[144+28])/2
\n" ); document.write( "x=(-12+-sqrt[172)/2
\n" ); document.write( "x=(-12+-13.115)/2
\n" ); document.write( "x=(-12+13.115)/2
\n" ); document.write( "x=1.115/2
\n" ); document.write( "x=.557 answer.
\n" ); document.write( "x=(-12-13.115)/2
\n" ); document.write( "x=-25.115/2
\n" ); document.write( "x=-12.557 answer. \n" ); document.write( "

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