Precalculus Examples

$125 = 5^{x}$

Step 1

Rewrite the equation as $5^{x} = 125$ .

$5^{x} = 125$

Step 2

Create equivalent expressions in the equation that all have equal bases.

$5^{x} = 5^{3}$

Step 3

Since the bases are the same, then two expressions are only equal if the exponents are also equal.

$x = 3$