Question

|2x-1|=(-4)^2

Answer 1

|2x - 1| = 16

Th1 : 2x -1 = 16

=> x = 17/2

Th2 : 2x - 1 = -16

=> x = -15/2

Answer 2

|2x-1|=(-4)^2

<=>|2x-1|=16

=>2x-1=-16 hoặc 16

Th1:2x-1=-16

=>2x=-15

=>\(x=\frac{-15}{2}\)

Th2:2x-1=16

=>2x=17

=>x=\(\frac{17}{2}\)