Question

Решите уравнение:
4x^2=9

Answer 1

4x^2=9
x^2=9/4
x^2=2.25
x1=+1.5
x2=-1.5

Answer 2

4х²9=0

(2х-3)(2х+3)=0

2х-3=0 или  2х+3=0

2х=3            2х=-3

х=1,5          х=-1,5