Question

(2-√5)^2+(2-√5)^2=??
plz help me guys

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Answer 1

( 2 - √ 5 ) ² + ( 2 - √ 5 ) ²

4 - 4 √ 5 + ( √ 5 ) ² + ( 2 - √ 5 ) ²

4 - 4 √ 5 + 5 + ( 2 - √ 5 ) ²

9 - 4 √ 5 + ( 2 - √ 5 ) ²

9 - 4 √ 5 + 4 - 4 √ 5 + ( √ 5 ) ²

9 - 4 √ 5 + 4 - 4 √ 5 + 5

9 - 4 √ 5 + 9 - 4 √ 5

18 - 4 √ 5 - 4 √ 5

18 - 8 √ 5

Answer 2

Step-by-step explanation:

hope it is helpful to you