Question

(1) What should be added to #x²–5x+1 to get
- 3x² + 4x +7​

Answer 1

={x^2-5x+1}+z=-3x^2+4x+7

where z=the number must be added to x^2-5x+1 to get -3x^2+4x+7

z=-3x^2+4x+7-[x^2-5x+1]

=-3x^2+4x+7-x^2+5x-1

=-4x^2+9x+6

so, z=-4x^2+9x+6

hope this may help you.

Answer 2

Step-by-step explanation:

please mark me as brainliest

hope it is helpful for you