document.write( "Question 703166: x^3+4x^2-4x-16≥0
\n" ); document.write( "find the polynomial inequality and show your work \n" ); document.write( "

Algebra.Com's Answer #433328 by lwsshak3(11628) $\"\"$ $\"About$

You can put this solution on YOUR website!
x^3+4x^2-4x-16≥0
\n" ); document.write( "find the polynomial inequality and show your work
\n" ); document.write( "x^3+4x^2-4x-16≥0
\n" ); document.write( "x^2(x+4)-4(x+4)≥0
\n" ); document.write( "(x+4)(x^2-4)≥0
\n" ); document.write( "(x+4)(x+2)(x-2)≥0
\n" ); document.write( "number line:
\n" ); document.write( "<...-....-4...+...-2....-....2...+....>
\n" ); document.write( "solution:
\n" ); document.write( "[-4,2] U [2,∞) \n" ); document.write( "

\n" );