Answer:
Negative infinity to infinity, 3 to infinity.
Answer:
0
Step-by-step explanation:
when they have the same variable you can add them together. When adding 10x and --10x, the cancel out (negate) and you are left with 0
Answer:
*8
Step-by-step explanation:
6.75*8=54
Answer: combine like terms dude
Step-by-step explanation: