What is (sqrt(x)+2sqrt(5))(sqrt(x)-2sqrt(5)) ?

The solution to (sqrt(x)+2sqrt(5))(sqrt(x)-2sqrt(5)) is x-20

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simplify (sqrt(x)+2sqrt(5))(sqrt(x)-2sqrt(5))

simplify

(x + 25) (x - 25)

x - 20

Solution steps

(x + 25) (x - 25)

Apply Difference of Two Squares

(x + 25) (x - 25) : x - 20

= x - 20

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

(4 x - 1 - 5) (4 x - 1 + 5)

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

sin (θ) (sec (θ) - csc (θ))

e^{x} (sin (x) + cos (x))

What is (sqrt(x)+2sqrt(5))(sqrt(x)-2sqrt(5)) ?
The solution to (sqrt(x)+2sqrt(5))(sqrt(x)-2sqrt(5)) is x-20