# Precalculus Examples

Factor out of .

Factor out of .

Factor out of .

If any individual factor on the left side of the equation is equal to , the entire expression will be equal to .

Set equal to .

Set equal to .

Solve for .

Take the natural logarithm of both sides of the equation to remove the variable from the exponent.

The equation cannot be solved because is undefined.

Undefined

There is no solution for

No solution

No solution

No solution

Set equal to .

Add to both sides of the equation.

The final solution is all the values that make true.