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Katerina12082002
@Katerina12082002
August 2022
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Решите уравнение:
1)4x² + 5x - 6 = 0
2)6xy - 4y - 3x = 1
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нуксик
1) 4x^2+5x-6=0
D=25+4×4×6=25+96=121
x=(-5+11)/8=6/8=3/4
x=(-5-11)/8=-16/8=-2
Ответ: -2; 3/4
2 votes
Thanks 1
Katerina12082002
а как без дискриминанта?
нуксик
никак
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Answers & Comments
D=25+4×4×6=25+96=121
x=(-5+11)/8=6/8=3/4
x=(-5-11)/8=-16/8=-2
Ответ: -2; 3/4