Question

A upon b is equal to b upon c, prove that (a + b + c) (a - b + c ) = (a square + b square + c square )​ please send me the answer fast .​

Answer 1

Answer:

Step-by-step explanation: When we multiply (a+b+c) with (a-b-c) we get a^2-ba-ac+ab-b^2-bc+ac-bc-c^2. If we further simplify it, we get a^2-b^2-bc-bc-c^2. So, it can't be proved.

Answer 2

Step-by-step explanation:

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