Ghogra
6 год назад
6 / 5 x - 1 = 3 x + 2
ОТВЕТЫ
Rafailovich
Jun 29, 2019
6=(3х+2)(5х-1)
6=15х^2-3x+10x-2
-15x^2-7x+8=0
15x^2+7x-8=0
Д= 49-4*15*(-8) = 529=23
х1 = -7+23/30 = 16/30
x2=-7-23/30 = -1
6=15х^2-3x+10x-2
-15x^2-7x+8=0
15x^2+7x-8=0
Д= 49-4*15*(-8) = 529=23
х1 = -7+23/30 = 16/30
x2=-7-23/30 = -1
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