Question

Simplify the expression 2(a2

- ab) + 3 + ab and find its value when a = 2 and b = - 1.
​

Answer 1

Step-by-step explanation:

,,(ab)3+88,5685563

valcbfjj

ans is -12

Answer 2

Answer:

2(a2-ab)+3+ab

2(2^2-2×-1)+3+2×-1

2(4-2)+3-2

2×2+1

4+1

5

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