Question

Найди уравнение, равносильное уравнению...​

Answer 1

$(5x + 2)(x - 2) - (1 + x)(x - 1) + 2 = 4x$

$5 {x}^{2} - 10x + 2x - 4 - x + 1 - {x}^{2} + x + 2 - 4x = 0$

$4 {x}^{2} - 12x - 1 = 0$

$4 {x}^{2} - 12x - 1 + 10 - 10 = 0$

$4 {x}^{2} - 12x + 9 - 10 = 0$

${(2x - 3)}^{2} - 10 = 0$

Ответ:

$(2x - 3) {}^{2} - 10 = 0$