Question

tim x âm biết : /x-2/+3/2-x/+/4x-8/=32 

Answer 1

x = -2

Answer 2

lx-2l+3l2-xl+l4x-8l=32

=>lx-2l+3l2-xl+4lx-2l=32

=>lx-2l(1+3+4)=32

=>lx-2l=32:8

=>lx-2l=4

=>x-2=-4;4

=>x=-2;6

Vậy x=-2;6

Answer 3

|x - 2| + 3|2 - x| + |4x - 8| = 32

|x - 2| + 3|x - 2| + 4|x - 2| = 32

(1 + 3 + 4) . |x - 2| = 32

8|x - 2| = 32

|x - 2| = 32 : 8

|x - 2| = 4

TH1: x - 2 = 4 => x = 6

TH2: x - 2 = -4 => x = -2

Vậy x thuộc {-2 ; 6}