√5(√2 + √5).√2= (√5 . √2 . √2) + (√5 . √5 . √2)= √20 + √50= √(4 x 5) + √(25 x 2)= 2√5 + 5√2
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Verified answer
√5(√2 + √5).√2
= (√5 . √2 . √2) + (√5 . √5 . √2)
= √20 + √50
= √(4 x 5) + √(25 x 2)
= 2√5 + 5√2