Question

-4/3x^2+27=0 помогите решить

Answer 1

- 4/3*x^2 + 27 = 0   /:(-1)
4/3*x^2 - 27 = 0 
4/3*x^2 = 27
x^2 = 20,25
x= ± √20,25
x = ± 4,5