document.write( "Question 324491: Factor by grouping\r
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document.write( "x^3+5x^2-3x-15\r
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Algebra.Com's Answer #232239 by unlockmath(1688)![]() ![]() You can put this solution on YOUR website! Hello, \n" ); document.write( "We can rewrite this x^3+5x^2-3x-15 as: \n" ); document.write( "x^2(x+5)-3(x+5) \n" ); document.write( "Now we can rewrite it as: \n" ); document.write( "(x^2-3)(x+5) \n" ); document.write( "Got it? \n" ); document.write( "This can be checked by multiplying it out and get the original expression. \n" ); document.write( "RJ \n" ); document.write( "www.math-unlock.com \n" ); document.write( " |