document.write( "Question 355230: (x(squared)-6x)=(1/2x+42) \n" ); document.write( "

Algebra.Com's Answer #253778 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!
Hi,
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\n" ); document.write( "solving
\n" ); document.write( "x^2 - 6x = (1/2)x + 42
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\n" ); document.write( "mulitplying thru with 2
\n" ); document.write( "2x^2 - 12x = x + 84
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\n" ); document.write( "set to zero to solve
\n" ); document.write( "2x^2 - 13x -84 = 0
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\n" ); document.write( "using quadratic formaula to solve
\n" ); document.write( " $\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"$
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\n" ); document.write( " $\"x+=+%2813+%2B-+sqrt%28+841%29%29%2F%284%29+\"$
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\n" ); document.write( " $\"x+=+%2813+%2B-+29%29%2F%284%29+\"$
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\n" ); document.write( "x = 42/4 = 10.5
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\n" ); document.write( "x = -16/4 = -4 \n" ); document.write( "

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