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klientcomfy164
@klientcomfy164
August 2022
1
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помогите пожалуйста. нужно очень срочно. буду ждать ответ)
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SaDvIsHnY
1. -0.2x+5=o
-0.2x=-5
x=25
2.5x^2-6x+1=0
D=(-6)^2 -4*5*1=36-20=16
✓D=4
x1=6+4/10=1
x2=6-2/10=0.4
3.✓3-x=0
x=3
4.x^2-2x-3/x+1=0
(x-3)(x-+1)/x+1
x-3
x=3
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Thanks 1
klientcomfy164
спасибо большое)
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Answers & Comments
-0.2x=-5
x=25
2.5x^2-6x+1=0
D=(-6)^2 -4*5*1=36-20=16
✓D=4
x1=6+4/10=1
x2=6-2/10=0.4
3.✓3-x=0
x=3
4.x^2-2x-3/x+1=0
(x-3)(x-+1)/x+1
x-3
x=3