Question

(a+b) (a-b) +(b+c) (b+c) +(c+a) (c-a)​

Answer 1

${a}^{2} - {b }^{2} + {b}^{2} + {c}^{2} + 2bc + {c}^{2} - {a}^{2} \\ = 2c(b + c)$

hope this will make the answer brainly answer

Answer 2

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