document.write( "Question 184368: (-4x+5)+(2xsquared +1/2x-12)I have tried to do it the colum form ans I get all lost. \n" ); document.write( "
Algebra.Com's Answer #138395 by checkley77(12844)\"\" \"About 
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(-4x+5)+(2xsquared +1/2x-12)
\n" ); document.write( "-4x+5+2x^2+x/2-12
\n" ); document.write( "2x^2-3.5x-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=(3.5+-sqrt[-3.5^2-4*2*-7])/2*2
\n" ); document.write( "x=(3.5+-sqrt[12.25+56])/4
\n" ); document.write( "x=(3.5+-sqrt68.25)/4
\n" ); document.write( "x=(3.5+-8.26136)/4
\n" ); document.write( "x=(3.5+8.26136)/4
\n" ); document.write( "x=11.76136/4
\n" ); document.write( "x=2.94 ans.
\n" ); document.write( "x=(3.5-8.26136)/4
\n" ); document.write( "x=-4.76136/4
\n" ); document.write( "x=-1.19 ans.
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