document.write( "Question 733954: X to the third power plus 16x = 0. Solve. We are using factoring and i don't understand this problem. \n" ); document.write( "
Algebra.Com's Answer #448736 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! X to the third power plus 16x = 0. Solve. \n" ); document.write( ": \n" ); document.write( "x^3 + 16x = 0 \n" ); document.write( "Factor out x \n" ); document.write( "x(x^2 + 16) = 0 \n" ); document.write( "only one real solution \n" ); document.write( "x = 0 \n" ); document.write( "but also \n" ); document.write( "x^2 = -16 \n" ); document.write( "x = +/- \n" ); document.write( "using i, the square root of -1 \n" ); document.write( "x = +/-4i \n" ); document.write( " \n" ); document.write( " |