Answer:
-5/12
Step-by-step explanation:
3/4+-5/6+1/2 = 5/12
5/12 - 5/15 = 0
Work is provided in the image attached.
the meaning of 1, 1.5 is that 1.5 is the oil sad and the 1 is the vinegar.
Simplified: -4u? + 5u^2 - 5u - 3
