Răspuns:
a)
10x^2=125/2
simplificam 10 cu 2
5x^2=125
x^2=125/5
x^2=25
x=5
b)
24x^2=147/8
simplificam 24 cu 8
3x^2=147
x^2= 147/3
x^2=49
x=7
c)15x^2=108/5
simplificam 15 cu 5
3x^2=108
x^2=108/3
x^2=36
x=6
d)
42x^2=150/7
simplificam 42 cu 7
6x^2=150
x^2=150/6
x^2=25
x=5