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Popular >

simplify x*x^{-1}

Solution

simplify

x \cdot x^{- 1}

Solution

1

Solution steps

x x^{- 1}

Apply exponent rule:

a^{b} \cdot a^{c} = a^{b + c}

x x^{- 1} = x^{1 - 1}

= x^{1 - 1}

Subtract the numbers:

1 - 1 = 0

= x^{0}

Apply exponent rule:

a^{0} = 1,

assuming

a \neq = 0

= 1

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- 14 (z - 5) = - 14 z + 70

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x^{2} - 18 = - x^{2}

Frequently Asked Questions (FAQ)

What is x*x^{-1} ?
The solution to x*x^{-1} is 1