Precalculus Examples

$- x^{2} = y^{2} - 25$

Step 1

Subtract $y^{2}$ from both sides of the equation.

$- x^{2} - y^{2} = - 25$

Step 2

Divide both sides of the equation by $- 1$ .

$x^{2} + y^{2} = 25$

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