Question

решите уравнение -4/3x^2+12=0

Answer 1

- 4/3х^2 + 12 = 0
- 4/3 • ( x^2 - 9 ) = 0
x^2 - 9 = 0
( X - 3 )( X + 3 ) = 0
X - 3 = 0 ; X = 3
X + 3 = 0 ; X = - 3
Ответ 3 ; - 3