What is (sqrt(x+1)+2)(sqrt(x+1)-2) ?

The solution to (sqrt(x+1)+2)(sqrt(x+1)-2) is x-3

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simplify (sqrt(x+1)+2)(sqrt(x+1)-2)

simplify

(x + 1 + 2) (x + 1 - 2)

x - 3

Solution steps

(x + 1 + 2) (x + 1 - 2)

Apply Difference of Two Squares

(x + 1 + 2) (x + 1 - 2) : x - 3

= x - 3

\frac{d}{d x} ((z) (2 x y z - e^{z}))

(- \frac{b}{a} y - \frac{c}{a} z + d)^{2} + y^{2} - z^{2}

5 (3 b^{2} + 4 b - 6)^{2}

(sin (x) - 3) (sin (x) + 1)

\frac{y ( x ^{2} + y ^{2} ) ^{2}}{x ^{5}}

What is (sqrt(x+1)+2)(sqrt(x+1)-2) ?
The solution to (sqrt(x+1)+2)(sqrt(x+1)-2) is x-3