we assume a,b,c,d are unknown variables,whose solution are either 0 or 1.So a power of a variable equals to itself(e.g,a^(n)=a).Would u please help me find a proper way to sovle the following simultaneous equations whose solutions are either 0 or 1?(adsbygoogle = window.adsbygoogle || []).push({});

-d-c+cd+bd+bc+ac-bcd-acd-abd-2abc+2abcd=0.....(1)

d-2bd-ad+abd-abc+b+bcd-1=0 .....(2)

-bd+bc+bcd-ab+abd-2abcd+acd-c=0 .....(3)

-a-bd-bc+2bcd+ad-2acd+ac=0 .....(4)

ps:Those equations are not Boolean Equations.They are just normal polynomial equations which share the same solution set with the Boolean ones.

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# Solving polynomial equations,hlep!

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