Question

using identity expand (3-4x)^3​

Answer 1

Answer:

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Answer 2

(3 - 4x )^3

= 3^3 - 3×(3)^2 × 4x + 3×(3)× (4x)^2 - (4x)^3

= 27 - 108x + 144(x)^2 - 64(×)^3