Question

If a = - 1, b = - 2, find the value of: 2(a²+ab) + 3 - ab​

Answer 1

Answer:

7

Step-by-step explanation:

given

a= -1

b=-2

to find

2(a x a +ab)+3 -ab

solution

put values,

2(-1x-1 + -1x-2)+3- (-1x-2)

=2(1+2)+3-2

=2 x 3+1

=6+1

=7