Question

Simplify 3cube root 40- 4 cuberoot 320 - cuberoot 5

Answer 1

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3 ³√40 - 4 ³√320 - ³√5

3 x 3.42 - 4 x 6.84 - 1.71

10.26 - 27.36 - 1.71

-18.81

Therefore
3 ³√40 - 4 ³√320 - ³√5 = -18.81
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