Question

Rezolvati ecuatia: |2x-8|+(x-4)^2=0

Answer 1

|2x-8|=-(x-4)^2
|2x-8|=-(x^2-8x+16)
|2x-8|=-(4), unde 4 am obtinut prin rezolvarea ecuatiei de gradul 2
|2x-8|=-4
=>2x-8=4 sau 2x-8=-4
=>2x=12  sau 2x=4
=>x=6    sau x=2