Question

3х²=0

(х+1)(х-1)=0

4х²-1=0

3х²=5х

4х²-4х+1=0

х²-16х-17=0

0,3х²+5х=2

х²-4х+5=0

Answer 1

1) х=0   2) х=1илих=-1 3) х=1/2, x=-1/2 

 

 

Answer 2

1)3х^2=0
x=0/3
x=0
2)x^2-x+x-1=x^2-1