Examples

$x^{2} - 4$

Step 1

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

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

Step 2

Rewrite $- 4$ as $- 2^{2}$ .

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

Step 3

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

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

Step 4

Rewrite the expression with the negative exponents.

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

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