Find All Valid Real Roots for the Equation $$x ^ { 6 } + 4 x ^ { 3 } - 45 = 0$$

question 70

Multiple Choice

Find all valid real roots for the equation.
- $$x ^ { 6 } + 4 x ^ { 3 } - 45 = 0$$

• A) \(x = - \sqrt [ 3 ] { 5 } , x = - \sqrt [ 3 ] { 9 }\)
• B) \(x = \sqrt [ 3 ] { 5 } , x = \sqrt [ 3 ] { 9 }\)
• C) \(x = \sqrt [ 3 ] { 5 } , x = - \sqrt [ 3 ] { 9 }\)
• D) \(x = - \sqrt [ 3 ] { 5 } , x = \sqrt [ 3 ] { 9 }\)

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