Question

√х^2+5х+2-√х^2-3х+3=3

Answer 1

Решение:
√х²+5х+2-√х²-3х+3=3
5х+2-3х+3=3
5х-3х=3-2-3
2х=-2
х=-2 :2=-1

Ответ: х=-1