Answer:
-x²+9x+4
Step-by-step explanation:
Hope this helps!
One is 3pi/2 - 2pi = -pi/2
also -7pi/2
Here ya go enjoy and I’m sorry if this isn’t what your looking for
45 - 22 = 23
c + 22 = 45
23 + 22 = 45
I hoped this answered the question correctly! Have a great day!!:)