Question

fatoreas expresoes ;
c)4z²-25=

d)5x+5z=


e)a(x-2)+b(x-2)=

f)a²-3a-ab+3ab

Answer 1

c)4z²-25=
(2z - 5). (2z + 5)


d)5x+5z=
5.(x + z)


e) a(x-2)+b(x-2)=
(a + b) . (x - 2)


f) a² - 3a - ab + 3ab
a.(a - 3) - ab.(a - 3)
(a - ab).(a - 3)