Describe and correct the error in finding the difference of the polynomials
(4x2 – x+3) – (3x2 - 5x - 6) = 4x2 – x+3 – 3x2 – 5x – 6
= 4x2 – 3x2 - x = 5x +3 - 6
=x² - 6x-3