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alfredgurin2
@alfredgurin2
July 2022
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Pomogite pozalsta
3+2x-x2=0
4x-5=0
2x-2-3x=0
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Никa11
4x-5=0
4x=5
x=4/5=0,8
3+2x_x^2=0
-x^2+2x+3=0
x^2-2x-3=0
a=1b=-2 c=-3
D=b^2-4ac=2^2-4*1*(-3)=16
корень из D= корень из 16 =4
x1=2+4/2*1=3
x2=2-4/2*1=-1
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Answers & Comments
4x=5
x=4/5=0,8
3+2x_x^2=0
-x^2+2x+3=0
x^2-2x-3=0
a=1b=-2 c=-3
D=b^2-4ac=2^2-4*1*(-3)=16
корень из D= корень из 16 =4
x1=2+4/2*1=3
x2=2-4/2*1=-1