Answer: 2x^2
The three terms are
2x^2
-3x
5
as they are separated by a plus sign. You can think of it as 2x^2 + (-3x) + 5 if you want. The quadratic term is the term with the exponent of 2
X+x-17+39=180
2x+22=180
Subtract 22 from both sides
2x=158
X= 79
-4,3 i think that’s the answer
