Даю 25 баллов за уравнение!!! (8х+10)(3-х)=(11-2х)(4х+5)-5. Created by dfriy. matematika-ru

Даю 25 баллов за уравнение!!! (8х+10)(3-х)=(11-2х)(4х+5)-5...

August 2022 1 2 Report

Даю 25 баллов за уравнение!!!
(8х+10)(3-х)=(11-2х)(4х+5)-5

Answers & Comments

МаДиНа0305 (8х+10)(3-х)=(11-2х)(4х+5)-5
24х-8х^2+30-10х=44х+55-8х^2-10х-5
24х+30-10х=44х+55-10х-5
24х+30=44х+55-5
24х+30=44х+50
24х-44х=50-30
-20х=20
х=20:(-20)
х=-1

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