решите систему кравнений:
[tex] \left \{ {{4х²-5у²-3у=-10} \atop {2х²-3у²-2y=-6}} \right. [/tex]
[tex] \left \{ {{4х²-5у²-3у=-10} \atop {2х²-3у²-2y=-6}} \right. [/tex]
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2х²-3у²-2y=-6
4х²-5у²-3у=-10
-4х²+6у²+4y=12
у²+у=2
y=1 и y=-2
При y=1
4х²-5-3=-10
4х²=-2
Корней нет
При y=-2
4х²-20+6=-10
4х²=4
х² = 1
x=1 и x=-1
Ответ: (1;-2), (-1;-2)