Examples

x^{2} - 4

$x^{2} - 4$

Step 1

Move

x^{2}

$x^{2}$ in

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

$\frac{x^{2}}{1}$ to the denominator and change the exponent from positive to negative.

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

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

Step 2

Rewrite

- 4

$- 4$ as

- 2^{2}

$- 2^{2}$ .

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

$\frac{- 2^{2}}{1}$

Step 3

Move

2^{2}

$2^{2}$ in

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

$\frac{- 2^{2}}{1}$ to the denominator and change the exponent from positive to negative.

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

$\frac{- 1}{2^{- 2}}$

Step 4

Rewrite the expression with the negative exponents.

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

$\frac{1}{x^{- 2}} + \frac{- 1}{2^{- 2}}$

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