Question

2) Simplify the Expression and Find the value when: a = 4,b= -5
2 (axa + ab) +3 - ab​

Answer 1

-2

4×4+4×-5+3=-1

2×-1=-2

Hope you've understood ☺️

Answer 2

Step-by-step explanation:

2(a×a + ab)+ 3 - ab

2[4×4 + (4)(-5)] + 3- (4)(-5)

2(16 - 20) + 3 +20

2 (-4) +23

-8 +23

15