Answer:
x2 +2x−xy when x = 250 and y = −120 ... sic Algebra: Patterns and Equations (13:18)
Step-by-step explanation:
Answer:
That simplifies to 
Step-by-step explanation:
Let's simplify:

If you want to express that as a single fraction, you can do so by multiplying the five by 15/15, and summing the numerators. That gives you:

The answer is 3.5 & 355 because the decimal shifts to the left or right, you move the decimal in the answer too.
I think it’s 0.5, sorry if it’s wrong