Легко! 1. 4-36х^2=0 2. 3х^2-6=0 3. 3х^2-75=0 4. 3з^2-15=0 5. х^2+6х=0 6. 3х^2-12х=0 7. 4х^2-х=0 8. 2х^2-32=0 9. 3х^2-12х=0

1)-36x^2= -4
x1=1/3 x2= - 1/3
2)3x^2=6
x=sqr(2)
3)3x^2=75
x1=5 x2= -5
4)3x^2=15
x=sqr(5)
5)x(x+6)=0
x1=0 x2= -6
6)3x(x-4)=0
x1=0 x2=4
7)x(4x-1)=0
x1=0 x2=0.25
8)x^2=16
x1= -4 x2=4
9))3x(x-4)=0
x1=0 x2=4