document.write( "Question 21454: I am working on Factoring Polynomial completely - I think I figured this one out, but would appreciate someone looking over to let me know if I did this correctly.\r
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document.write( "4m (exponent of 2) - 9m - 9\r
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document.write( "my solution: 2(2m*(3) 2(2m*(3) Is this correct? Thank you very much for your help. \n" );
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Algebra.Com's Answer #10335 by Earlsdon(6294)![]() ![]() ![]() You can put this solution on YOUR website! Ummm...let's see, if we multiply your factors together, we should get the original expression, right?\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "We didn't get the original expression, so your factors don't work!\r \n" ); document.write( "\n" ); document.write( "Here's how it should go. \n" ); document.write( "Factor:\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "Your factors will have the form of: (am + 3)(bm - 3), why? because:\r \n" ); document.write( "\n" ); document.write( "(-3)(3) = -9 This will get the constant term in the equation. \n" ); document.write( "Now you need (a)(b) to = 4 and you need (a)(-3)+(b)(3) = -9, the x-coefficient. \n" ); document.write( "Try: \n" ); document.write( "a = 4 and b = 1: (4)(1) = 4 and (4)(-3)+(1)(3) = -12+3 = -9 So this works.\r \n" ); document.write( "\n" ); document.write( "The factors are: \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Check: \n" ); document.write( "Multiply the factors using FOIL. \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |