Question

Решите уравнение (2х + 1)^2 - 4х^2 + 3 = 0

Answer 1

$(2x + 1)^2 - 4x^2 + 3 = 0 \\\\ 4x^2+4x+1-4x^2+3=0 \\\\4x+4=0 \\\\ 4x=-4 \\\\x=-1$

Answer 2

(2x+1)²-4x²+3=0
4x²+4x+1-4x²+3=0
4x=-4
x= -4/4
x= -1