Answer:
easily
Step-by-step explanation:
1.believe in your self
2.organise your ideas
3.make your ideas short and easy to understand
This is an obtuse triangle because one angle of it is greater than 90 degrees :)
Do you want us to answer or simplify?
Simplify:=−18x^7 y^3 + 21x^5 y^4+ 15x^2 y^5
the answer is 220 i calculated
