Question

plz help



simplify (√2+√8)^2​

Answer 1

Answer:

18

Step-by-step explanation:

==: (√2 + √8)²                              [(a + b)² = a² + b² + 2ab]

==: 2 + 8 + 2√16

==: 10 + 2*4

==: 10 + 8

==:18

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Answer 2

Answer:

20

Step-by-step explanation:

a^2+b^2+2ab

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