What is expand (sqrt(5)+2)sqrt(5-2\sqrt{5)} ?

The solution to expand (sqrt(5)+2)sqrt(5-2\sqrt{5)} is sqrt(25-10\sqrt{5)}+2sqrt(5-2\sqrt{5)}

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expand (sqrt(5)+2)sqrt(5-2\sqrt{5)}

expand

(5 + 2) 5 - 25

25 - 105 + 2 5 - 25

Solution steps

(5 + 2) 5 - 25

Apply the distributive law:

a (b + c) = ab + a c

a = 5 - 25, b = 5, c = 2

= 5 - 25 5 + 5 - 25 \cdot 2

= 5 5 - 25 + 2 5 - 25

5 5 - 25 = 25 - 105

= 25 - 105 + 2 5 - 25

(e + 3)^{2}

(x^{3} + 3 x^{2} + 5)^{5}

\frac{27 \cdot ( s + 2 )}{2}

T (x + 2 y + z, x + 2 z, x + y + 2 z)

(1 - y^{2}) d x + x d y

What is expand (sqrt(5)+2)sqrt(5-2\sqrt{5)} ?
The solution to expand (sqrt(5)+2)sqrt(5-2\sqrt{5)} is sqrt(25-10\sqrt{5)}+2sqrt(5-2\sqrt{5)}