Question

(2х-3)²-(7-2х)²=2
решите уравнение​

Answer 1

$4 {x}^{2} - 12x + 9 - (49 - 28x + 4 {x}^{2} ) = 2$

$4 {x}^{2} - 12x + 9 - 49 + 28x - 4 {x}^{2} = 2$

$16x = 2 - 9 + 49$

$16x = 42$

$x = 2.625$