document.write( "Question 1068551: Solve quadratic equation by factoring.
\n" ); document.write( "2x²+3x-72=x²+2x
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Algebra.Com's Answer #683784 by rothauserc(4718)\"\" \"About 
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2x^2 +3x -72 = x^2 +2x
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\n" ); document.write( "x^2 +x -72 = 0
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\n" ); document.write( "(x+9) * (x-8) = 0
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\n" ); document.write( "x + 9 = 0
\n" ); document.write( "x = -9
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\n" ); document.write( "x - 8 = 0
\n" ); document.write( "x = 8
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\n" ); document.write( "x = -9, x = 8
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