Question

12 (x + y)2 + 8 (x + y) - 15​

Answer 1

Step-by-step explanation:

let a=x+y

12a2 +8a -15 (3×2×2×3×5)

12a^2+18a-10a-15

6a(2a+3)_5(2a+3)

(6a-5)(2a+3)

(6x+6y-5)(2x+2y+3)