Question

Use a vertical format to subtract the polynomials. 7x2 - 7x + 1 - (10x2 + 9x – 5)

Answer 1

7x^2 minus 10x^2 is 3x^2

-7x +9x is 2x

Lastly, 1 + -5 is -4

So your answer should be 3x^2 +2x-4. I hope this helps. Also I hope the picture is clear enough to see!