Find the product (a+b-c) (a-c+b)
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Step-by-step explanation:
( a + b - c ) ( a - c + b )
a ( a - c + b ) + b ( a - c + b ) - c ( a - c + b )
a^2 - ac + ab + ba -bc + b^2 - ac + c^2 - bc
( a + b + c )^2 + 2ac + 2ab + 2bc
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