Question

(y+3)² + (y-3)² = ________​

Answer 1

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

$( {y}^{2} + 6y + 9) + ( {y}^{2} - 6y + 9) \\ = 2 {y}^{2} + 18$

Answer 2

Answer:

2(y^2)

Step-by-step explanation:

y^2 + 3^2 +y^2 - 3^2

y^2. +. 9. +. y^2. -. 9

2(y^2)