Répondre :

[tex](x+2)(x-1) = -2\\ x^2 - x +2x - 2 + 2 = 0\\ x^2 + x = 0\\ x(x+1) = 0 \\\\ \boxed{x = 0}\\\\ ou\\\\ x+1 = 0\\ \boxed{x = -1}[/tex]

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