solve please fast urgent
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Step-by-step explanation:
=(xbc-bsquarec-bcsquare+xac-acsquare-asquarec+xab-asquareb-bsquarea)/abc
=(xbc+xac+xab-bsquarec-bcsquare-bsquarea-acsquare-asquarec-asquarec) /abc
=3abc/abc
=3
=RHS
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