document.write( "Question 237943: Solve the polynomial equation by factoring and using the zero product principle. I have solved simpiler versions but I'm having a hard time understanding how to attack this one.\r
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document.write( "X^3-2X^2-X+2=0 \n" );
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Algebra.Com's Answer #174900 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! X^3-2X^2-X+2=0 \n" ); document.write( "--- \n" ); document.write( "Factor the 1st two and the last two terms separately. \n" ); document.write( "---- \n" ); document.write( "x^2(x-2)-(x-2) = 0 \n" ); document.write( "(x-2)(x^2-1) = 0 \n" ); document.write( "(x-2)(x-1)(x+1) = 0 \n" ); document.write( "x = 2 or x = 1 or x = -1 \n" ); document.write( "============================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |