Question

Решите уравнение 4х2–9=0.

Answer 1

4х²-9=0
(2х-3)(2х+3)=0
2х-3=0 или 2х+3=0
х₁ = 3\2
х₂= -3\2

Answer 2

4х^2=9
x^2=9/4
x=3/2 x=-3/2