Question

(Simplify the expression and find its value when a = 5 and b = -3)
2(a^2+ab)+3-ab

Answer 1

38

Explanation:

2(
`a^(2)`+ab) + 3 - ab

=
`2a^(2)` + 2ab + 3 - ab

=
`2a^(2)` + ab + 3

= 2x
`5^(2)` + 5x(-3) + 3

= 50 - 15 + 3

= 38