The sum of two polynomials is 5ײ - 6×. If one of the polynomials is 3ײ -2×,what is the other polynomial?

(k) + (3x^2 - 2x) = 5x^2 - 6x

k = 5x^2 - 6x - 3x^2 + 2x
= 2x^2 - 4x

It is 2x^2 - 4x