Question

2(a2 + ab)+3-ab

If a= 2 b= -3​

Answer 1

Answer:

$2( {a}^{2} + ab) + 3 - ab$

$if \: a = 2 \: and \: b = - 3$

$2( {2 }^{2} + 2 \times - 3) + 3 - 2 \times - 3$

$2(4 - 6) + 3 + 6$

$- 4 + 3 + 6$

$5$

Answer 2

Answer:

2(a2 + ab ) + 3 - ab

2(4 - 6 ) + 3 + 6 (here a= 2 and b = -3)

2(-2) + 9

-4 + 9

5 (Ans)