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(x + y)3 - (x - y)3 when x = 2 and y=-1​
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(x + y)3 - (x - y)3 when x = 2 and y=-1​

User Igor Kulman
by
6.4k points

1 Answer

5 votes

Explanation:

When x = 2 and y = -1,

(x + y)³ - (x - y)³

= (2 - 1)³ - [2 - (-1)]³

= (1)³ - (3)³

= 1 - 27

= -26.

User Harben
by
5.9k points
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