Question

how to solve (y+3)whole square is equals to​

Answer 1

Answer:

y² + 9 + 6y

Step-by-step explanation:

(a+b)² = a² + b² + 2ab

likewise,

(y+3)² = y² + 9 + 6y

Answer 2

Answer:

See the answer below

Step-by-step explanation:

${(y + 3)}^{2} = {y}^{2} + {(3)}^{2} + 2(y)(3)$

$= {y}^{2} + 9 + 6y$