Question

(x^2 - 5 x + 6) + (x^2 - 6 + 1 )

Answer 1

(x² - 5 x + 6) + (x² - 6 + 1) =

x² - 5x + 6 + x² - 6 + 1 =

x² + x² - 5x + 6 + 1 - 6

= 2x² - 5x + 1