Question

enturmando agrupe os termos e fatore c*2-c+ cx -x

Answer 1

c^2-c+ cx -x =
C^2 -C + x (c -1)=
C (c -1) + x (c-1 ) =
(C - 1)(c + x)

Answer 2

Bom dia!
c² - c + cx - x = c(c -1 + x) - x