Question

-x^3+3x-1 if value of x is -2 ​

Answer 1

Answer:

$x = - 2 \\ \\ \\ {x}^{3} + 3x - 1 \\ \\ = {( - 2)}^{3} + 3 \times ( - 2) - 1 \\ = - 8 - 6 - 1 \\ = - 15$

Step-by-step explanation:

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