$\"\"$

The given points are $\"\"$ .

The distance between two points $\"\"$ is

$\"d$ .

$\"\"$ (Substitute $\"\"$ ) $\"\"$ (Product of two same signs is positive) \ \ $\"\"$ (Subtract: $\"\"$ )

$\"\"$ (Evaluate powers: $\"\"$ )

$\"\"$ (Add: $\"\"$ ) $\"\"$

The distance between two points $\"\"$ is $\"\"$ units.