Math, asked by sudarsun081, 4 months ago

14. (a + b + c)2 + (a - b - c)?

Answers

Answered by ab548

0

Answer:

Step-by-step explanation:

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

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