factorise
a²+b²-2ab-4c²
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Answered by
4
Answer:
Step-by-step explanation:
a²+b²-2ab-4c²
= (a-b)²-4c²
= (a-b)²-(2c)²
Now, this is in the form of x²-y²=(x+y)(x-y)
where, x= a-b and y=2c
Therefore,
= (a-b+2c) (a-b-2c).
Answered by
1
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