Question

18^х2-48=18 ответ нет корней ???

Answer 1

18x^2=48+18
18x^2=66
x^2=66/18
x1= sqrt(66/18)=sqrt(11/3)
x2= -sqrt(66/18)=-sqrt(11/3)

Answer 2

18x² - 48 = 18
18x² = 48 + 18
18x² = 66
x² = 66/18
x² = 11/3
x = ±√(11/3)