Precalculus Examples

$\frac{2 x + 5}{7} - \frac{x}{7}$

Step 1

Combine the numerators over the common denominator.

$\frac{2 x + 5 - x}{7}$

Step 2

Subtract $x$ from $2 x$ .

$\frac{x + 5}{7}$

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