Question

[Given that a = 3, b = -5 and c = 6] evaluate each of the following expressions.

1. a(3c-b)
2. ab^2-ac

Answer 1

given ,

a = 3 , b = -5 , c=6

1) a(3c-b) = 3(3(6)-(-5)) = 69

2) ab^2-ac = (3)(-5)}^2-(3)(6) = (-15)^2-18 = 225-18 = 207