Question

find x cube-y cube, if x-y =-7 and XY=-10.​

Answer 1

Answer:

$Given (x + y) = 12 and xy = 27</p><p>Recall, x3 + y3 = (x + y)3 – 3xy(x + y)</p><p>⇒ x3 + y3 = (12)3 – 3(27)(12)   = 1728 – 972</p><p>∴ x3 + y3 = 756............$

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Answer 2

Answer:

-133

Step-by-step explanation: