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Popular >

simplify x^3-3x^{-2}-9x-5

Solution

simplify

x^{3} - 3 x^{- 2} - 9 x - 5

Solution

x^{3} - \frac{3}{x ^{2}} - 9 x - 5

Solution steps

x^{3} - 3 x^{- 2} - 9 x - 5

Apply exponent rule:

a^{- b} = \frac{1}{a ^{b}}

x^{- 2} = \frac{1}{x ^{2}}

= x^{3} - 3 \cdot \frac{1}{x ^{2}} - 9 x - 5

Simplify

3 \cdot \frac{1}{x ^{2}} : \frac{3}{x ^{2}}

= x^{3} - \frac{3}{x ^{2}} - 9 x - 5

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Frequently Asked Questions (FAQ)

What is x^3-3x^{-2}-9x-5 ?
The solution to x^3-3x^{-2}-9x-5 is x^3-3/(x^2)-9x-5