Question

Zapisz w jak najprostszej postaci wyrażenie: (x+2)(x-3)-(x+3)

Answer 1

(x+2)(x-3)-(x+3) = x (2-3+3)

Answer 2

(x+2)(x-3)-(x+3)

x2 -3x+2x-6-x-3= x^2-2x-9

Answer 3

(x+2)(x-3)-(x+3)=x^2-3x+2x-6-x-3=x^2-2x-9