Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$(5-\sqrt{5})^{3}$$

Evaluate

$200-80\sqrt{5}\approx 21.1145618$

Expand

$200-80\sqrt{5}$

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