Question

12(a+b)² - (a+b) -35 ​

Answer 1

Answer:

(a-b)²= a²+b²-2ab

(3)²+(12)²-2*3*12

9+144-72

81 ANS

Answer 2

Step-by-step explanation:

$12 {a}^{2} + 24ab + 12 {b}^{2} - a - b - 35 \\ 12 {a}^{2} + 12 {b}^{2} + 24b - a - b - 35$