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аааа310
@аааа310
July 2022
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помогите пожалуста срооооооочно 9. c, d
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Guro2016
9)с) 6х^2 + 2x = 2х^2 + 9х
4х^2 = 7х
4х^2 - 7x= 0
D= 49 - 4 ' 4 ' 0
D=49
x1= 1.75
x2=0
d)x^2 - (1/3)^2 = 8/9
x^2 = 1
x = 1
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Answers & Comments
4х^2 = 7х
4х^2 - 7x= 0
D= 49 - 4 ' 4 ' 0
D=49
x1= 1.75
x2=0
d)x^2 - (1/3)^2 = 8/9
x^2 = 1
x = 1