$\"\"$

The expression is $\"\"$ .

$\"\"$ (Formula: $\"\"$ )

$\"\"$ (Multiply: $\"\"$ )

The base is 1.

The exponent is 2.

$\"\"$ Means 1 is a factor of 2 times.

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

The base is 4.

The exponent is 2.

$\"\"$ Means 4 is a factor of 2 times.

$\"\"$

Substitute values $\"\"$ in above equation.

$\"\"$

$\"\"$ (Apply commutative property: a + b = b + a)

$\"\"$ (Add: 1 + 16 = 17)

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

$\"\"$

The value of the expression is 9.