Question

T rezolvați in R ecuația
√x²-2x+3=x+2
urgeeent va rog ​

Answer 1

| x | -2x+3=x+2

|x|-2x-x=2-3

|x|-3x=-1

1) x-3x= -1

-2x=-1 |•(-1)

2x=1

x=1/2,

2) -x-3x=-1

-4x=-1 |(-1)

4x=1

x=1/4

S={1/2,1/4}