What is (sqrt(y)+sqrt(2))(sqrt(y)-sqrt(2)) ?

The solution to (sqrt(y)+sqrt(2))(sqrt(y)-sqrt(2)) is y-2

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simplify (sqrt(y)+sqrt(2))(sqrt(y)-sqrt(2))

simplify

(y + 2) (y - 2)

y - 2

Solution steps

(y + 2) (y - 2)

Apply Difference of Two Squares

(y + 2) (y - 2) : y - 2

= y - 2

\frac{1}{( 4 + x ) ^{2}}

(a - 2) (a + 2)

(cot (x) + 1)^{2}

- \frac{4 ( - 3 s ^{2} + 12 s - 8 )}{( s ^{2} - 4 s + 8 ) ^{3}}

(x^{4} - 2 x^{2} + 2) l e f t (x^{2} - 2 x + 3)

What is (sqrt(y)+sqrt(2))(sqrt(y)-sqrt(2)) ?
The solution to (sqrt(y)+sqrt(2))(sqrt(y)-sqrt(2)) is y-2