Answer:
1st: -3 -5
_y+_
2 2
2nd -3y-5
____
x
Step-by-step explanation:
Answer:
8.48528137424
Step-by-step explanation:
Answer:
-3mn
Step-by-step explanation:
It seems you might be missing some of the question, as you haven't given what m and n are equal to.
If the question has just given you x, then you would simply just simplify it to get -3mn.