Question

ecuatii clasa a 10 pas cu pas pls​

Answer 1

Răspuns:

x+1=x²-2x+1

x= x²-2x

x-x²+2x=0

3x-x²=0

x×(3-x)=0

-> x=0

3-x=0=> x=3

-> radical din 0+1= 0-1

radical din 3+1=3-1

->1=-1 => Fals

2=2 => x=3