find the binomial which is a common factor of a² - 4b² and a²-4ab + b² ( fcnwiefdwp )
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Answer:
Explanation:
a2−4ab+4b2
We can Split the Middle Term of this expression to factorise it.
a2−4ab+4b2
=a2−2ab−2ab+4b2
=a(a−2b)−2b(a−2b)
(a−2b) is a common factor to each of the terms
=(a−2b)(a−2b)
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