Q: What is nine to the negative second power equal to?

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It is minus ten.

No. Negative three squared is POSITIVE nine. The square of ANY number is positive, because if you multiply a negative number by a negative number, the result is positive.

Just X to the second power minus nine. You can't subtract nine from x to the second power unless you know what x is.

x/5 = -9 (5)(x/5) = -9(5) x = - 45

-4 +5 -5 + 4

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