решить уравнения x^2−20x+36=0 x^2-10x-56=0. Created by Ksy888999. algebra-ru

решить уравнения x^2−20x+36=0 x^2-10x-56=0...

August 2022 1 34 Report

решить уравнения
x^2−20x+36=0

x^2-10x-56=0

Answers & Comments

anika66682 X^2-20x+36=0
x^2-2x-18x+36=0
x(x-2)-18(x-2)=0
(x-2)(x-18)=0
x-2=0 x-18=0
x=2 x=18

x^2-10x-56=0
x^2+4x-14x-56=0
x(x+4)-14(x+4)=0
(x+4)(x-14)=0
x+4=0 x-14=0
x=-4 x=14

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