Answer:
the top term of a fraction is the numerator
Combine the like terms.
-3x^2 - (-x^2) = -3x^2 + x^2 = -2x^2
4x - (-4x) = 4x +4x = 8x
The difference would be: -2x^2 + 8x - 1
Answer:
6627, maybe
Step-by-step explanation:
You are correct on 7-12. The easiest way, when your just starting out with these types of problems, is to get them to have the same denominator. (by multiplying the numerators and denominators by the same value) If they are the same fraction they are equivalent if not they are not equivalent