SOLUTION: Solve the polynomial inequality and graph the solution set on a real number line. Express the solution set in interval notation. x^3-4x^2-16x+64<0

Question 628330: Solve the polynomial inequality and graph the solution set on a real number line. Express the solution set in interval notation. x^3-4x^2-16x+64<0
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
Solve the polynomial inequality and graph the solution set on a real number line. Express the solution set in interval notation.
x^3-4x^2-16x+64<0
factor by grouping
x^2(x-4)-16(x-4)<0
(x-4)(x^2-16)<0
(x-4)(x+4)(x-4)<0
number line
<....-....-4.....+.....4....+.....>
solution: (-∞,-4)

RELATED QUESTIONS
solve the polynomial inequality and graph the solution set on a real number line. Express (answered by robertb)

Solve the polynomial inequality and graph the solution set on a number line. Express the... (answered by lwsshak3)

solve the rational inequality and graph the solution set on a real number line. Express... (answered by oscargut)

Solve the rational inequality and graph the solution set on a real number line. Express... (answered by stanbon)

solvethe rational inequality and graph the solution set on a real number line. express... (answered by Fombitz)

solve the polynomial inequality and graph the solution set on a number line. express the (answered by oscargut)

Solve the polynomial inequality and graph the solution set on a number line. Express the (answered by stanbon)

Solve the inequality. Express the solution using interval notation and graph the solution (answered by MathLover1)