Question

Factorise 16w^3 – u^4w^3​

Answer 1

Answer:

16w^3 – u^4w^3.

= w^3(16 – u^4).

= w^3(4^2 - ((u^2)^2).

= w^3(4 + u^2)(4 - u^2).

= w^3(4 + u^2)(2^2 - u^2).

= w^3(4 + u^2)(2 + u)(2 - u).

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