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oksana92845
@oksana92845
August 2022
1
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Помогите решить уравнение:
x-4/x+3 - 3x-2/1-x= 3x^2+1/ x^2+2x-3
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418005846
x-4/x+3-3x-2/1-x=3x2+1/x2+2x-3
x −
4x
+ 3 − 3x −
21
− x=
+ 3x2
+
1
x2
+ 2x − 3
Умножим правую и левую часть уравнения на 1x2
1x3 − 4x + 3x2 − 3x3 − 2x2 − 1x3 = + 3x4 + 1 + 2x3 − 3x2
-3x4-5x3+4x2
-4x-1 = 0
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Answers & Comments
x − 4x + 3 − 3x − 21 − x= + 3x2 + 1x2 + 2x − 3Умножим правую и левую часть уравнения на 1x2
1x3 − 4x + 3x2 − 3x3 − 2x2 − 1x3 = + 3x4 + 1 + 2x3 − 3x2
-3x4-5x3+4x2-4x-1 = 0