Answer:
Where is the numbers dude? LOL
Step-by-step explanation:
Answer:
3x^2 or 3x squared
Step-by-step explanation:
4x^2-x^2=3x^2
4x squared-x squared equals x squared
when subtracting squared it's like subtracting normal numbers
Answer:
Your expression would be 9x + 3y
Step-by-step explanation:
Coefficients with the same variables can be added together