simplify this (a-b-c)(a-b+c)
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Step-by-step explanation:
(a-b-c)(a-b+c)
open the brakects
a-b-c*a-b+c
a(a-b+C) -b(a+b-c)-C(a+b-c)
(a^2-ab+ac)-(ba-b^2+bc)-(ca+bc-c^2)
a^2-2ab+2ca-b^2+2bc-c^2
ANSWER: a^2-2ab+2ca-b^2+2bc-c^2
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