document.write( "Question 306197: Please help: \r
\n" ); document.write( "\n" ); document.write( "Solve for (x)
\n" ); document.write( "(x-1) (x-3)=-4
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Algebra.Com's Answer #219191 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
\"%28x-1%29%28x-3%29=-4\"
\n" ); document.write( "Expand the left hand side using FOIL method.
\n" ); document.write( "\"x%5E2-3x-x%2B3=-4\"
\n" ); document.write( "\"x%5E2-4x%2B3=-4\"
\n" ); document.write( "\"x%5E2-4x%2B7=0\"
\n" ); document.write( "USe the quadratic formula,
\n" ); document.write( "\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"
\n" ); document.write( "\"x+=+%28-%28-4%29+%2B-+sqrt%28+4%5E2-4%2A1%2A7+%29%29%2F%282%2A1%29+\"
\n" ); document.write( "\"x+=+%284+%2B-+sqrt%28+16-28+%29%29%2F%282%29+\"
\n" ); document.write( "\"x+=+%284+%2B-+sqrt%28+-12%29%29%2F%282%29+\"
\n" ); document.write( "\"x+=+%284+%2B-+2sqrt%283%29%2Ai%29%2F%282%29+\"
\n" ); document.write( "\"x+=+2+%2B-+sqrt%283%29%2Ai\" where \"i=sqrt%28-1%29\"
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