Question

Find the GCD and LCM of: a²+b²+c²+2ab, c²+a²-b²+2ca, b²+c²-a²+2bc

Answer 1

Answer:

factors of a2 + b2-c2 + 2ab

=(a + b)2-c2

=(a + b + c)(a + b-c)

Factors of a2 + c2-b2 + 2ca

=(a + c)2-b2

=(a + c + b)(a + c-b)

Factors of b2 + c2-a2 + 2bc

=(b + c)2-a2

=(b + c + a)(b + c-a)

Step-by-step explanation:

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