Algebra Examples

$x^{2 y - 5} \cdot x^{y + 8}$

Step 1

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

$x^{2 y - 5 + y + 8}$

Step 2

Add $2 y$ and $y$ .

$x^{3 y - 5 + 8}$

Step 3

Add $- 5$ and $8$ .

$x^{3 y + 3}$