Although they are the same variable, you cannot add two variables raised to different powers. 3x^1 + 5x^2 cannot work, but 3x^2 + 5x^2 can. Also, if you are multiplying them, they would combine to be 15x^3, as 3 and 5 (The coefficients) multiply together and x^2 times x^1 = x^3.
I hope that helps.
You can use MathPapa it will help you
2miles=20km
20km/4=5km
5km=0,5mile
Runned 0.5 miles in total
The monthly rate of growth for the savings account is $8.40.
