Question

4/х+51/х^2+36/х^3=0
ПОМОГИТЕ

Answer 1

4/x+51/x^2+36/x^3=0
×^2×4/x^3+x×51/x^3+36/x^3=0
(4x^2+51x+36)/x^3=0 умножаем на х^3
4х^2+51х+36=0
D=51^2-4×4×36=2601-576=2025=45^2
x1=(-51+45)/2×4=-6/8= -3/4
х2=(-51-45)/2×4=-96/8= -12
ответ: х1= -3/4, х2=-12