Question

If a = 2, b = 5 and c = -3, find the value of c2-3ab

-21

-36

-39

-316

Answer 1

@texaschic101

Answer 2

-21

Answer 3

thats what i thought but isnt that only for -3ab

Answer 4

-3ab is -30

Answer 5

oh i must have mis calculated :/ thanks :D

Answer 6

c^2 - 3 * a * b

a = 2, b = 5, c = -3

now sub
-3^2 - 3(2)(5)
9 - 30 = 21

Answer 7

AWESOME :D