document.write( "Question 21916: factor completely over the integers:\r
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document.write( "121-64x^2-36y^2+96xy\r
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document.write( "I've tried pairing the integers in different ways and still can't solve this.
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document.write( "Please help.\r
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document.write( "Thank you. \n" );
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Algebra.Com's Answer #10563 by venugopalramana(3286)![]() ![]() You can put this solution on YOUR website! 121-64x^2-36y^2+96xy \n" ); document.write( "=11*11-{(8X)^2+(6Y)^2-2*(8X)(6Y)} \n" ); document.write( "=11^2-(8X-6Y)^2........................USING...(A-B)^2=A^2+B^2-2AB \n" ); document.write( "(11+8X-6Y){11-(8X-6Y)}.................USING.... A^2-B^2=(A+B)(A-B) \n" ); document.write( "(11+8X-6Y)(11-8X+6Y) \n" ); document.write( " |