document.write( "Question 259983: 1-x^2-y-xy \n" ); document.write( "
Algebra.Com's Answer #191431 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Color the first two terms black and the last two green\r\n" );
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document.write( "\"1-x%5E2\"\"green%28-y-xy%29\"\r\n" );
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document.write( "Factor the black part as the difference of two perfect squares:\r\n" );
document.write( "Factor the green part by factoring out \"green%28-y%29\"\r\n" );
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document.write( "\"%281-x%29%2A%281%2Bx%29%29\"\"green%28-y%2A%281%2Bx%29%29%29\"\r\n" );
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document.write( "Now I will recolor it:\r\n" );
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document.write( "\"green%28%281-x%29%29%2Ared%28%281%2Bx%29%29%29\"\"green%28-y%29%2Ared%28%281%2Bx%29%29%29\"\r\n" );
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document.write( "Factor out the common red binomial factor \"red%28%281%2Bx%29%29%29\"\r\n" );
document.write( "and put the two green factors as a sum inside another parentheses:\r\n" );
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document.write( "\"red%28%281%2Bx%29%29%28green%28%281-x%29-y%29%29\"\r\n" );
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document.write( "And you can remove the inner green parentheses:\r\n" );
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document.write( "\"red%28%281%2Bx%29%29%28green%281-x-y%29%29\"\r\n" );
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document.write( "And the final answer (without the colors) is\r\n" );
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document.write( "\"%281%2Bx%29%281-x-y%29\"\r\n" );
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document.write( "Edwin

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