document.write( "Question 369376: factor completely.
\n" ); document.write( "x squared + 2xy + 2x + y squared + 2y - 8
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Algebra.Com's Answer #263184 by mananth(16946)\"\" \"About 
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x squared + 2xy + 2x + y squared + 2y - 8
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\n" ); document.write( "x squared + 2xy + y squared + 2x+2y - 8
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\n" ); document.write( "(x+y)^2+2(x+y)-8
\n" ); document.write( "let (x+y)=z
\n" ); document.write( "z^2+2z-8
\n" ); document.write( "z^2+4z-2z-8
\n" ); document.write( "z(z+4)-2(z+4)
\n" ); document.write( "(z-2)(z+4)
\n" ); document.write( "resubstitute the value of z
\n" ); document.write( "(x+y-2)(x+y+4)
\n" ); document.write( "...
\n" ); document.write( "m.ananth@hotmail.ca
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