Решите уравнение 64x^4-48x^3-7x^2+6x. Created by 4777222. algebra-ru

Решите уравнение 64x^4-48x^3-7x^2+6x...

June 2022 1 36 Report

Решите уравнение
64x^4-48x^3-7x^2+6x

Answers & Comments

silnovn Х^3-6х^2-7х=0 х*(х^2-6х-7)=0 х=0 или х^2-6х-7=0 х^2-6х-7=0 Дискриминант=(-6)^2-4*1*(-7)=36+28=64 x1=(6+8)/2*1=14/2=7 x2=(6-8)/2*1=-2/2=-1 ответ: х=0 х=7 х=-1

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