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Question Number 147861 by mathmax by abdo last updated on 24/Jul/21
$$\mathrm{resoudre}\:\mathrm{dans}\:\mathrm{Z}^{\mathrm{2}} \:\:\:\:\mathrm{x}^{\mathrm{2}} −\mathrm{y}^{\mathrm{2}} \:=\mathrm{3x} \\ $$