Answer:
0
Step-by-step explanation:
Start by substituting in the values given
ab + 2c - bc
(-2)(3) + 2(-6) - (3)(-6) start by multiplying from left to right
-6 + 2(-6) - (3)(-6)
-6 + -12 - (3)(-6)
-6 + -12 - -18 when you minus a negative it is like adding a positive so turn the two minus symbols into a plus sign. only di this. step if you learned it yet.
-18 + 18 = 0
