Question

What is the formula of (a-b+c) ^2 ​

Answer 1

Answer:

From the equation (a+b+c)² = a² + b² + c² + 2ab + 2ac + 2ac

(a-b+c)² = a² + (-b)² + c² + (2 × a × -b) + (2 × -b × c) + (2 × a × c)

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