document.write( "Question 99678: Given f(x)=x^2 * (x-7) - 16 * (x-7), solve f(x) is greater than or equal to 0 .
\n" );
document.write( "Express your answer using interval notation. \n" );
document.write( "
Algebra.Com's Answer #72575 by edjones(8007)![]() ![]() You can put this solution on YOUR website! x^2 * (x-7) - 16 * (x-7)>=0 \n" ); document.write( "x^3-7x^2-16x+112>=0 \n" ); document.write( "factor (x-7)(x-4)(x+4)>=0 \n" ); document.write( "X[-4,4]U[7,infinity) \n" ); document.write( " \n" ); document.write( "Ed \n" ); document.write( " |