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Lelya31Lenochka31
@Lelya31Lenochka31
July 2022
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решите уравнение: x(2x-3)=4x-3
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lala200imanova
Х умножить на 2 и на 3 получается; 2Х-3Х=4Х-3 , 2х-3х+4х=-3, 3=-3 и 3/-3=-1
1 votes
Thanks 0
nazark01
Расскроем скобки
2x^2-3x=4x-3
2x^2-7x+3=0
Дискриминант
D=49-24=25
Корни
x=(7-5)/4=1/2
x=(7+5)/4=3
2 votes
Thanks 1
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Answers & Comments
2x^2-3x=4x-3
2x^2-7x+3=0
Дискриминант
D=49-24=25
Корни
x=(7-5)/4=1/2
x=(7+5)/4=3