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Factorise 16−81w2 completely.

Question

Factorise 16−81w2 completely.

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Solution

Sure, here is the step-by-step solution:

The given expression is 16 - 81w^2.

This is a difference of squares, which can be factored as follows:

16 - 81w^2 = (4 - 9w)(4 + 9w)

So, the factorization of 16 - 81w^2 is (4 - 9w)(4 + 9w).

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