Solve the polynomial inequality.
-$$x ^ { 3 } + 5 x ^ { 2 } - 4 x - 20 \geq 0$$
A) $[ - 2,2 ] \cup [ 5 , \infty )$
B) $[ - 5 , \infty )$
C) $[ - 5,2 ]$
D) $[ - 5 , - 2 ] \cup [ 2 , \infty )$

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The Answer of Solve the polynomial inequality.
-$$x ^ { 3 } + 5 x ^ { 2 } - 4 x - 20 \geq 0$$
A) $[ - 2,2 ] \cup [ 5 , \infty )$
B) $[ - 5 , \infty )$
C) $[ - 5,2 ]$
D) $[ - 5 , - 2 ] \cup [ 2 , \infty )$

Solve the Polynomial Inequality x3+5x2−4x−20≥0x ^ { 3 } + 5 x ^ { 2 } - 4 x - 20 \geq 0x3+5x2−4x−20≥0

Solve the Polynomial Inequality $x ^ { 3 } + 5 x ^ { 2 } - 4 x - 20 \geq 0$