решите уравнение (х+2)(х-2)-(2х-3)^2=12х-3х^2. Created by Citi050. algebra-ru

решите уравнение (х+2)(х-2)-(2х-3)^2=12х-3х^2...

July 2022 1 9 Report

решите уравнение (х+2)(х-2)-(2х-3)^2=12х-3х^2

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svetazuna (х+2)(х-2)-(2х-3)^2=12х-3х^2,
(х² - 4) - (4х² - 12х + 9) = 12х - 3х²,
х² - 4 - 4х² + 12х - 9 - 12х + 3х² = 0,
-13 ≠ 0,
данное уравнение не имеет решения

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