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Solve the Cubic Equation Using Factoring and the Quadratic Formula x364=0x ^ { 3 } - 64 = 0

Question 91

Multiple Choice

Solve the cubic equation using factoring and the quadratic formula.
- x364=0x ^ { 3 } - 64 = 0


A) {4,2±2i}\{ 4 , - 2 \pm 2 i \}

B) {4,2±2i6}\{ 4,2 \pm 2 \mathrm { i } \sqrt { 6 } \}

C) {4,2±25}\{ 4,2 \pm 2 \sqrt { 5 } \}

D) {4,2±2i3}\{ 4 , - 2 \pm 2 \mathrm { i } \sqrt { 3 } \}

Correct Answer:

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