document.write( "Question 376477: describe how to solve by factoring:\r
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document.write( "1. y^3 + 2y^2 -y -2\r
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document.write( "2. a^4 b + ab^4 \n" );
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Algebra.Com's Answer #267893 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! describe how to solve by factoring: \n" ); document.write( ": \n" ); document.write( "1. y^3 + 2y^2 - y -2 \n" ); document.write( "Group terms so that a common term can be factored out \n" ); document.write( "(y^3 - y) + (2y^2 - 2) \n" ); document.write( "Factor \n" ); document.write( "y(y^2 - 1) + 2(y^2 - 1) \n" ); document.write( "factor out (y^2-1), results: \n" ); document.write( "(y^2 - 1)(y + 2) \n" ); document.write( "; \n" ); document.write( "; \n" ); document.write( "2. a^4 b + ab^4 \n" ); document.write( "Factor out ab \n" ); document.write( "ab(a^3 + b^3) \n" ); document.write( "Factor as the sum of cubes: \n" ); document.write( "ab(a+b)(a^2-ab+b^2) \n" ); document.write( " |