Решите неравенство 3(2x^2+3x-2)^2=8x^2+4x-9

Question

Решите неравенство
3(2x^2+3x-2)^2=8x^2+4x-9

Answer 1

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Answer 2

3 (2х^2+3х-2)^2=8х^2+4х-9
6х^2+9х-6=8х^2+4х-9
6х^2+9х-8х^2-4х=6-9
3х^2=-3/:3
х^2=-1