Question

9. Simplify the expression 2(a2 + ab) – ab and find its value if a = 5 and b = 2.

Answer 1

Answer:

30

Step-by-step explanation:

=2{2a+ab}-ab

=2{2(5)+(5)(2)}-(5)(2)

=2{10+10}-10

=2{20}-10

=40-10

=30