Question

7. If '*' operation be defined as a + b = a × b - (a + b), evaluate :
(1) 2*5
(ii) (- 4) * (- 6)
(iii) 13 * (-6)
(10) - 75​

Answer 1

Answer:

1)2×5=10

2)-4×-6=+24

3)13×-6=-78