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assasos
@assasos
July 2022
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asenka9
A) (3x+1)(x+1)=(2x-10)(x-2)
3x^2+3x+x+1=2x^2-4x-10x+20
3x^2+4x+1-2x^2+14x-20=0
x^2+18x-19=0
По теореме Виета:
x1+x2=-18
x1*x2=-19
x1=1
x2=-19
1 votes
Thanks 1
assasos
спасибо большое
asenka9
да не за что)
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Answers & Comments
3x^2+3x+x+1=2x^2-4x-10x+20
3x^2+4x+1-2x^2+14x-20=0
x^2+18x-19=0
По теореме Виета:
x1+x2=-18
x1*x2=-19
x1=1
x2=-19