document.write( "Question 607144: how do i solve by factoring 2x2-5x-12=0 ? \n" ); document.write( "
Algebra.Com's Answer #382438 by lawdej(58)\"\" \"About 
You can put this solution on YOUR website!
2x^2-5x-12=0
\n" ); document.write( "use quadratic formula or completing the square method
\n" ); document.write( "using quadratic formula is better but let me use completing the square method
\n" ); document.write( "2x2-5x=12
\n" ); document.write( "2(x^2-5/2x)=12
\n" ); document.write( "2(x^2-5/2x+25/16)=12+25/8
\n" ); document.write( "2(x-5/4)^2=121/8
\n" ); document.write( "(x-5/4)^2=121/16
\n" ); document.write( "(x-5/4)=+ or - square root of 121/16
\n" ); document.write( "(x-5/4)=11/4 or (x-5/4)=-11/4
\n" ); document.write( "x=11/4+5/4 or x=5/4-11/4
\n" ); document.write( "x=16/4 or x=-6/4
\n" ); document.write( "x=4 or x=-3/2
\n" ); document.write( "(lawdej@yahoo.com)\r
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