Question

6) Fatorando a expressão 2a² - 2a + 2ax – 2x , obtemos :
(a) 2(a + x).(a + 1)
(b) 2(a - x).(a + 1)
(c) 2(a - x).(a – 1)
(d) 2(a + x).(a - 1)
(e) N.D.A

Answer 1

2a² - 2a + 2ax – 2x

2a(a-1) + 2x(a-1)

(2a+2x).(a-1)

2(a+x).(a-1) ==> (d)