Algebra Examples

$b^{n - 2} \cdot b^{n - 3}$

Step 1

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$b^{n - 2 + n - 3}$

Step 2

Add $n$ and $n$ .

$b^{2 n - 2 - 3}$

Step 3

Subtract $3$ from $- 2$ .

$b^{2 n - 5}$