factories - x ^ 2 - y ^ 2 - 3 ^ 2 - 2yz
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Answer:
Answer
Given : x
2
+y
2
−z
2
−2xy
We can write it as
x
2
+y
2
−z
2
−2xy =(x
2
+y
2
−2xy)−z
2
So we get
x
2
+y
2
−z
2
−2xy =(x−y)
2
−z
2
Based on the equation a
2
−b
2
=(a+b)(a−b)
We get ,
x
2
+y
2
−z
2
−2xy =(x−y+z)(x−y−z)
Answer:
answer in the attachment