Question

What should be added to 2x² +x-1 to get x²-7x +5​

Answer 1

Answer:

8x-6 should be added

Step-by-step explanation:

x^2-7x+5 ) 2x^2 + x - 1 ( w

- 2x^2 - 7x + 5

(+) (+) (-)

___________

8x - 6

__________