Question

(2−y)^3=
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Answer 1

Step-by-step explanation:

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Answer 2

Answer: 8 - y³ + 6y² - 12y

Step-by-step explanation:

By using identity (a - b)³ = a³ - b³ - 3ab(a - b)

Here, a = 2 and b = y

Putting the giving values in the identity, we get,

$\sf→{2}^{3} - {y}^{3} - 3(2 \times y)(2 - y)$

$\sf→8 - {y}^{3} - 6y(2 - y)$

$\sf→8 - {y}^{3} - 12y - 6{y}^{2}$

❍ Rearranging terms,

$\sf→8 - {y}^{3} + {6y}^{2} - 12y$

Hence (2-y)³ is equal to 8 - y³ + 6y² - 12y.