Question

x^2-2x+1-y^2 разложите на множетиль

Answer 1

${x}^{2} - 2x + 1 - {y}^{2}= {(x - 1)}^{2} - {y}^{2} = (x - 1 - y)(x - 1 + y)$

Answer 2

(х^2-2х+1)-у^2=(х-1)^2-у^2=
(х-1-у)(х-1+у)