Answer:
Step-by-step explanation:
72
407
- 15x² + 7x + 1
Given
2x² - 9 - 17x² + 10 + 7x ← collect like terms
= (2x² - 17x² ) + 7x + 1
= - 15x² + 7x + 1
. (5,20)
Step-by-step (x,y)=(5,20)
