$\"\"$

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The points are A $\"\"$ and C $\"\"$ .

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

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

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

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

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

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

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$\"\"$ (Apply product property of square roots: $\"square$ )

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$\"\"$ (Evaluate power $\"\"$ )

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$\"\"$ (Cancel square and root)

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$\"\"$

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The distance between two points A and C is $\"\"$ units.