# Precalculus Examples

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

Use logarithm rules to move out of the exponent.

Apply the distributive property.

Subtract from both sides of the equation.

Divide each term by and simplify.

Divide each term in by .

Reduce the expression by cancelling the common factors.

Cancel the common factor.

Divide by .

Simplify each term.

Reduce the expression by cancelling the common factors.

Cancel the common factor.

Divide by .

Multiply by .

Verify each of the solutions by substituting them into and solving.

The result can be shown in both exact and decimal forms.

Exact Form:

Decimal Form: