Question

Evaluate the expression for a = 3, b = 12 , and c = −4 .
−8ab
------
2bc

Answer 1

replace a = 3, b = 12 , and c = −4 into the equation below:
−8ab/ 2bc= -8(3)(12) / 2(12)(-4)= 3

Answer 2

-8(3)(12)
2(12)(-4)

-8(36)
2(-48)

-288
-96

3