Question

ab(a2+b2-c2)-bc(c2-a2-b2)+ca(a2+b2-c2)​

Answer 1

Step-by-step explanation:

ab(a + b2 - c2) - bc (c - a - b) + ca (a+ b - c2) = ab(a + b2 - c2) + bc (a2 + b² - c²) + ca (a² + b2 - c2) = (a? + b2 - c)(ab + bc + ca)

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