Question

( X + 1) x ( X + 2) x ( X + 3) x ( X - 4) = 0

Answer 1

X x ( 1 + 2 + 3 -4 )  = 0

X x ( 6 -4 ) = 0

X x 2 = 0

x = 0 : 2

x= 0

Đúng hay sai thì mk ko biết nhé
 

Answer 2

( X + 1 ) x ( X + 2 ) x ( X + 3 ) x ( x - 4 ) = 0

X x ( 1 + 2 + 3 - 4 ) = 0

X x 6 = 0

X = 0 : 6

X = 0

Answer 3

X x ( 1 + 2 + 3 -4 )  = 0

X x ( 6 -4 ) = 0

X x 2 = 0

x = 0 : 2

x= 0