Question

Given that a = 5 , b = − 2 and c = − 2 work out 2 b − 3 a c

Answer 1

-34

Explanation:

2x-2-3(4)(-2)

which is -34

Answer 2

26

Explanation:

`a = 5 ,\\b = - 2 \\ c = - 2 \\ 2b - 3ac=?\\2(-2) -3(5)(-2)\\-4 +30\\= 26`