Question

Evaluate it : (y+3)²​

Answer 1

Answer:

(y+3)(y+3)

y²+3y+3y+9

y²+6y+9

Another way to solve :

(y+3)²

y²+2.y.3+(3)²

y²+6y+9

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Answer 2

Answer:

(2y)² + 2XyX3 + (3)²

4y²+6y+9