document.write( "Question 268561: solve by factoring and using principle of zero product.\r
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document.write( "5x^2-66=4x^2+5
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document.write( "Am I starting it off correctly
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document.write( "5x^2-66=0 and 4x^2+5=0 then solve for x^2?\r
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Algebra.Com's Answer #196801 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! 5x^2-66=4x^2+5 \n" ); document.write( "Am I starting it off correctly \n" ); document.write( "5x^2-66=0 and 4x^2+5=0 then solve for x^2? \n" ); document.write( "------------------ \n" ); document.write( "You can't say they're equal to zero, they're not. \n" ); document.write( "---------------- \n" ); document.write( "5x^2-66=4x^2+5 \n" ); document.write( "x^2 = 71 \n" ); document.write( "x = +/- sqrt(71) \n" ); document.write( "----------------- \n" ); document.write( "I don't see anything to factor.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |