document.write( "Question 339349: x^3+x^2-20x=0 (this will come under cubic equation)\"thank you\" \n" ); document.write( "
Algebra.Com's Answer #243208 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! x^3+x^2-20x=0 \n" ); document.write( "Start by factoring out what is common among all three terms: \n" ); document.write( "x(x^2+x-20) = 0 \n" ); document.write( "Factor the expression inside the parenthesis: \n" ); document.write( "x(x+5)(x-4) = 0 \n" ); document.write( ". \n" ); document.write( "Set each term to zero, giving you: \n" ); document.write( "x = (-5, 0, 4} \n" ); document.write( " \n" ); document.write( " |