Question

Factorise x2 + y2 + z2 -2xy +2xz -2yz

Answer 1

Answer:

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Step-by-step explanation:

X²+z²+2xz

We know that

(a+b)²= a²+b²+2ab

Here also,

(x+z)²=x²+z²+2xz

Therefore, answer should be (x+z)²