Question

Simplify the expression and find its value when a=5 and b=-3.
2(a2 + ab) + 3 - ab​

Answer 1

2(a²+ab) + 3 - ab

➡️ 2(5²+5×-3) + 3 - 5×-3

➡️ 2(25-15) + 3 + 15

➡️ 2× 10 + 18

➡️ 20+18

➡️ 38

hope it helps you