Answer:
x^2-9x+8
Step-by-step explanation:
(2x^2-5x+3)-(-x^2+4x-5)
Open the bracket first
2x^2-5x+3+x^2-4x+5
Collect like terms
2x^2+x^2-5x-4x+3+5
So the final answer is x^2-9x+8
