Odpowiedź :
[tex](x-1)^{2}(x+3) = (x^{2}-2x+1)(x+3) =x^{3}-2x^{2}+x + 3x^{2}-6x+3 = x^{3}+x^{2}-5x+3[/tex]
(a - b)² = a² - 2ab + b²
[tex](x-1)^{2}(x+3) = (x^{2}-2x+1)(x+3) =x^{3}-2x^{2}+x + 3x^{2}-6x+3 = x^{3}+x^{2}-5x+3[/tex]
(a - b)² = a² - 2ab + b²