Question

№810.
Решите уравнение
$1- frac{1}{2-x} = frac{6-x}{3 x^{2} - 12 } - frac{1}{x-2}$

Answer 1

(1-x)/(2-x)-1/(2-x)=(6-x)/(3x^2-12) -x/(2-x)=(6-x)/(3x^2-12) (2-x)(6-x)=-3x^3+12x 12-8x+x^2+3x^3-12x=0 3x^3+x^2-20x+12=0