if x=-3 what is x^3

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if x=-3 what is x^3

Guest Jan 5, 2015

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Best Answer

(-3)³ = (-3)(-3)(-3) = 9(-3) = -27

In general we have that (-X)^k = X^k when k is an even number, and (-X)^k = -(X^k) when k is an odd number.

Tetration Jan 5, 2015

Tetration · Answer 1 · 2015-01-05T08:14:44

(-3)³ = (-3)(-3)(-3) = 9(-3) = -27

In general we have that (-X)^k = X^k when k is an even number, and (-X)^k = -(X^k) when k is an odd number.