Bonjour aidez moi svp ☺ a) x^2+4x-1 = (x-1)(x-2)
b) (x-2)^2 = (x+3)^2
c) (x+7)^2 = x^2-49

Il faut résoudre ces équations.
ps: ^2 veut dire au carré

Merci d'avance ☺
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