Question

mx - 4 + m - 4x =

a) x ( m - 4 )
b) ( x - 1 ) ( m + 4 )
c) (x - 1 ) ( m - 4 )
d) ( x + 1 ) ( m - 4 )
e) ( x + 1 ) ( m- 1 )

Answer 1

= (mx+m)-(4+4x)
= m (x+1) -4 (1+×)
= (x+1) (m-4)

RESPUESTA = d