Question

expand the following with suitable identities
(y-4)^3​

Answer 1

$( {y - 4}^{3} ) = ( {y}^{3} - {4}^{3} - 3×y \times 4)(y - 4) \\ by \: using \: {x - y}^{3} = ( {x}^{3} - {y}^{3} - 3xy)(x - y)$

Answer 2

Answer:

(y-4)³ = (y)³-3(y)(4)+(4)³

= y³-12y+64

this is correct answer

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