What is (sqrt(x-3)-3)(sqrt(x-3)+3) ?

The solution to (sqrt(x-3)-3)(sqrt(x-3)+3) is x-12

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simplify (sqrt(x-3)-3)(sqrt(x-3)+3)

simplify

(x - 3 - 3) (x - 3 + 3)

x - 12

Solution steps

(x - 3 - 3) (x - 3 + 3)

Apply Difference of Two Squares

(x - 3 - 3) (x - 3 + 3) : x - 12

= x - 12

(1 - r cos (θ))^{2}

(y - 2)^{2}

3 (2 - 2)

x^{\frac{4}{5}} (x - 3)

x^{\frac{4}{5}} (x - 8)

What is (sqrt(x-3)-3)(sqrt(x-3)+3) ?
The solution to (sqrt(x-3)-3)(sqrt(x-3)+3) is x-12