$\"\"$

The expression is $\"\"$ .

$\"\"$ ( $\"\"$ )

write the expression using sum of quotients.

$\"\"$ $\"\"$

Quotient of Powers

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

$\"\"$

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

$\"\"$ (Zero power property: $\"\"$ )

$\"\"$ (Multiplication identity poperty: $\"\"$ ) $\"\"$

The simplified expression is $\"\"$ .