document.write( "Question 773617: need help i tried cross multiplication w/ foil it the answer was -a^2 +b+2 but just putting them together it was (2-a)(1-b^2)\r
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Algebra.Com's Answer #471694 by Edwin McCravy(20055) $\"\"$ $\"About$

You can put this solution on YOUR website!
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document.write( "Put an x where the question mark is:\r\n" );
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document.write( "Cross multiply:\r\n" );
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document.write( "x(1-b) = (2-a)(1+b)(1-b)\r\n" );
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document.write( "Divide both sides by (1-b)\r\n" );
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document.write( "Cancel the (1-b)'s:\r\n" );
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document.write( "x = (2-a)(1+b)\r\n" );
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document.write( "or if you want to foil it out:\r\n" );
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document.write( "x = 2+2b-a-ab\r\n" );
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document.write( "Either answer will do.\r\n" );
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document.write( "Edwin

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