nilai dr (-2y-3) kuadrat adalah... SEKALIAN SAMA NOMOR 11 GPP KAN?

10. (-2y-3)²
= (-2y-3)(-2y-3)
= 4y² + 6y + 6y + 9
= 4y² + 12y + 9

11. koefisien nya 5 (b)

semoga membantu :)

(-2y-3)^2 = (-2y-3)(-2y-3)
= 4y^2+6y+6y+9
= 4y^2+12y+9
koefisien= 5