Решите уравнение .x в кубе = x в квадрате +6 х . Created by zhbr991. geometriya-ru

X^3-x^2-6x=0x(x^2-x-6)=0x=0 или x^2-x-6=0 D=1-4*1*(-6)=25 x1= = = 3 x2= = = -2Ответ:-2;0;3.

Решите уравнение .x в кубе = x в квадрате +6 х ...

July 2022 1 15 Report

Решите уравнение .
x в кубе = x в квадрате +6 х

Answers & Comments

БиДжей X^3-x^2-6x=0
x(x^2-x-6)=0
x=0 или x^2-x-6=0
D=1-4*1*(-6)=25
x1= $\frac{1+5}{2}$ = $\frac{6}{2}$ = 3
x2= $\frac{1-5}{2}$ = $\frac{-4}{2}$ = -2
Ответ:-2;0;3.

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