chiedo un aiutino
((x + 1)/2)^2 = 1/3·(3·x/2) + 5/4
x^2/4 + x/2 + 1/4 = x/2 + 5/4
(x^2/4 + x/2 + 1/4 = x/2 + 5/4)·4
x^2 + 2·x + 1 = 2·x + 5
x = -2 ∨ x = 2
@anna-supermath grazie
😃
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