[tex]x {}^{2} - 37x + 27 = 0[/tex]
[tex]x {}^{2} - 210x = 0[/tex]
[tex] - y {}^{2} + y = 0[/tex]
[tex]x {}^{2} + 41x - 371 = 0[/tex]
[tex]y {}^{2} - 19 = 0[/tex]
[tex]3x {}^{2} - 10 = 0[/tex]
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Решение:
~1
x²- 37x + 27 = 0
D = 1369 - 108 = 1261
~2
x² - 210x = 0
x(x - 210) = 0
~3
y(-y + 1) = 0
~4
x² + 41x - 371
D = 1681 + 1484 = 3165
~5
y² - 19 = 0
y² = 19
y = ±√19
~6
3x² - 10 = 0
3x² = 10