document.write( "Question 897231: Solve the inequality. Write the solution set in interval notation.\r
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document.write( "x3 + 4x2 - 4x - 16 ≥ 0\r
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Algebra.Com's Answer #544030 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! Solve the inequality. Write the solution set in interval notation. \n" ); document.write( "x3 + 4x2 - 4x - 16 ≥ 0 \n" ); document.write( "*** \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( " |