Question

решите уравнение
(x^2+1)(x-2)-(x^2+3)(x-1)+7x-1=0

Answer 1

$(x^2+1)(x-2)-(x^2+3)(x-1)+7x-1=0$
$x^3+x-2x^2-2-(x^3+3x-x^2-3)+7x-1=0$
$x^3+x-2x^2-2-x^3-3x+x^2+6+7x-1=0$
$x^2+5x+3=0$