Question

(4a-5b)²-16c², Factorize the given equation.

Answer 1

Answer :

Identity Rule :

a² - b² = ( a + b ) ( a - b )

Now, (4a - 5b)² - 16c²

= (4a - 5b)² - (4c)²

= (4a - 5b + 4c) (4a - 5b - 4c),

which is the required factorization

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Answer 2

Refer to the above attachment :)

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