Use factoring by grouping to solve the equation.
-$$2 x ^ { 3 } + 8 x ^ { 2 } - 8 x - 32 = 0$$
A) $- 4 , - 2,1$
B) $- 4 , - 2,2$
C) $- 8 , - 4,4$
D) $- 2,2,4$

Name: Use factoring by grouping to solve the equation. -\[2 x ^ { 3 } + 8 x ^ { 2 } - 8 x - 32 = 0\] A) $- 4 , - 2,1$ B) $- 4 , - 2,2$ C) $- 8 , - 4,4$ D) $- 2,2,4$
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Quizplus · Accepted Answer

Factoring by grouping: $2x^2(x + 4) - 8(x + 4) = 0$ gives $(2x^2 - 8)(x + 4) = 0$. Solving gives roots $x = -4, -2, 2$.

Use Factoring by Grouping to Solve the Equation 2x3+8x2−8x−32=02 x ^ { 3 } + 8 x ^ { 2 } - 8 x - 32 = 02x3+8x2−8x−32=0

Use Factoring by Grouping to Solve the Equation $2 x ^ { 3 } + 8 x ^ { 2 } - 8 x - 32 = 0$