Решите уравнение:........

Question

Решите уравнение:........

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Answer 1

6х^2+2х+9х+3=11х+30
6х^2+11х+3-11х=30
6х^2+3=30
6х^2=30-3
6х^2=27
2х^2=9
х^2=4'5