Question

$( + y + z)2$
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Answer 1

Answer:

2y + 2x

Step-by-step explanation:

this is the answer

Hope it help you.

Answer 2

Answer:

⇢ y²+ 2yz + z²

Step-by-step explanation:

⇢ (y + z)²

⇢ (y + z) (y + z)

⇢ (y)(y) + (y)(z) + (z)(y) + (z)(z)

⇢ y² + yz + yz + z²

⇢ y²+ 2yz + z²

Therefore, this is the required answer.