Question

find the value of this

Answer 1

(2x-3y)³

Using the formula
(a-b)³=a³-b³-3ab(a-b)

(2x-3y)³=8x³-27y³-18xy(2x-3y)
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NOW PUTTING THE VALUE
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(10)³=8x³-27y³-18(16)(10)
1000=8x³-27y³-2880
1000-2880=8x³-27y³
-1880=8x³-27y³

Answer 2

Hope this helps.....