$\"\"$

The expression is $\"\"$ .

$\"\"$ (Simplify)

Write the expression using sum of quotients.

$\"\"$

$\"\"$ (Divide: $\"\"$ ) $\"\"$

Quotient of Powers

For any real number a ≠ 0, and any integers m and n, $\"\"$ .

$\"\"$

$\"\"$ (Subtract: $\"\"$ )

$\"\"$ (Zero power: a⁰ = b⁰ = 1)

$\"\"$ (Multiplicative identity property: $\"\"$ ) $\"\"$

The simplified expression is $\"\"$ .