Precalculus Examples

$\frac{1 - a - 1}{1 + a - 1}$

Step 1

Simplify the numerator.

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Step 1.1

Subtract $1$ from $1$ .

$\frac{- a + 0}{1 + a - 1}$

Step 1.2

Add $- a$ and $0$ .

$\frac{- a}{1 + a - 1}$

$\frac{- a}{1 + a - 1}$

Step 2

Simplify the denominator.

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Step 2.1

Subtract $1$ from $1$ .

$\frac{- a}{a + 0}$

Step 2.2

Add $a$ and $0$ .

$\frac{- a}{a}$

$\frac{- a}{a}$

Step 3

Cancel the common factor of $a$ .

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Step 3.1

Cancel the common factor.

$\frac{- a}{a}$

Step 3.2

Divide $- 1$ by $1$ .

$- 1$

$- 1$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$