document.write( "Question 692675: Completing the square 2x^2+7x-4 \n" ); document.write( "
Algebra.Com's Answer #427066 by nerdybill(7384)\"\" \"About 
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Completing the square
\n" ); document.write( "2x^2+7x-4
\n" ); document.write( "group x terms:
\n" ); document.write( "(2x^2+7x)-4
\n" ); document.write( "factor out the 2:
\n" ); document.write( "2(x^2+7/2x) - 4
\n" ); document.write( "2(x^2+7/2x+49/4) - 4 - (2)(49/4)
\n" ); document.write( "2(x^2+7/2x+49/4) - 4 - (49/2)
\n" ); document.write( "2(x^2+7/2x+49/4) - 8/2- (49/2)
\n" ); document.write( "2(x^2+7/2x+49/4) - 57/2
\n" ); document.write( "2(x+7/2)^2 - 57/2\r
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