2x^3+2x^2+5x-7, That would be the answer.
Answer:
23
hope it helped you!!
BTW, angle 1 + angle 2 = 180
x=-10
Step-by-step explanation:
3x · 3x=9x-11x>20
-2x>20
÷-2 -2
___________-
Hope this helps ∞