6х(х+5)...

fellllllllllllll @fellllllllllllll

July 2022 1 4 Report

решите уравнение:
1/2х2-1/2=1/6х(х+5)

Answers & Comments

affone4ka 1/2x^2-1/2-1/6x^2-5/6x = 0
1/3x^2-5/6x-1/2 = 0 (умножаем все на 6)
2x^2-5x-3 = 0
D = 5*5-4*2*(-3) = 49
x1 = (5+7)/4 = 3
x2 = (5-7)/4 = -0.5

5 votes Thanks 13

fellllllllllllll СПАСИБО

affone4ka Не за что

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