Question

On which set of open intervals does this polynomial keep a constant sign?

$$(x + 3)^{4}x^{3}$$

Accepted Answer

$$(-\infty, 0) \cup (0, \infty)$$

Answer

$$(-\infty, -3) \cup (-3, 0) \cup (0, \infty)$$

Answer

$$(-\infty, -4) \cup (-4, 0) \cup (0, \infty)$$

Answer

$$(-\infty, -2) \cup (-2, 0) \cup (0, \infty)$$

Polynomial Inequalities - Two Factors with Multiplicity - Intervals