document.write( "Question 236983: how do you factor...\r
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document.write( "49y^2-81? \n" );
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Algebra.Com's Answer #174316 by thrasherlax74(11)![]() ![]() ![]() You can put this solution on YOUR website! they are both perfect squares so (a+b)(a-b) or (7x-9)(7x+9) \n" ); document.write( " |