Question

помогите плиз решить
3х^2-75=0

Answer 1

3х^2 - 75 = 0
3х^2 = 75
х^2 = 75:3
x^2 = 25
x = 5

Answer 2

3x^2-75=0
3x^2=75
x^2=25
x=5;-5