Answer:
If you're simplifying it then it should be -5*x^4-6*y^3.
5.21.
To find this, give both numbers decimal points before setting up a subtraction equation as so:
15.00 - 9.79
Then proceed to solve to get the final answer of 5.21.
Hope this helps!
80,112
Step-by-step explanation:
d:-12,0
