document.write( "Question 376477: describe how to solve by factoring:\r
\n" ); document.write( "\n" ); document.write( "1. y^3 + 2y^2 -y -2\r
\n" ); document.write( "\n" ); document.write( "2. a^4 b + ab^4
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Algebra.Com's Answer #267893 by ankor@dixie-net.com(22740)\"\" \"About 
You can put this solution on YOUR website!
describe how to solve by factoring:
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\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)
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\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)
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