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A + b + c equal to zero then find a + b + C whole bracket square |
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Answer» Answer: Here is the FORMULA. FINISH the sum by yourself. Thanks Step-by-step EXPLANATION: a2 - b2 = (a + b) (a - b) (x + a) (x + b) = x2 + x(a + b) + ab. (a + b + c)2 = a2 + b2 + C2 + 2ab + 2bc + 2ca. |
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