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ExellGame
@ExellGame
July 2022
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Решите уравнение |3x²+5x|=2
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MizoriesKun
|3x²+5x|=2
3x²+5x=2
3x²+5x-2=0
D=25+24=49
√49=7
x₁=
(-5+7)/6=
1/3
x₂=
(-5-7)/6=
-2
3x²+5x= - 2
3x²+5x+2=0
D=25-24=1 √1=1
x₃=
(-5+1)/6=
-2/3
x₄=
(-5-1)/6=
-1
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Answers & Comments
3x²+5x=2
3x²+5x-2=0
D=25+24=49 √49=7
x₁=(-5+7)/6=1/3
x₂=(-5-7)/6=-2
3x²+5x= - 2
3x²+5x+2=0
D=25-24=1 √1=1
x₃=(-5+1)/6= -2/3
x₄=(-5-1)/6= -1