answer is zero.i just need process please help me.♀️♀️♀️
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Hey there!
Given,
(x + 5y) = 10
cubing both sides,
( x + 5y)³ = 10³
x³ + (5y)³ + 3 * x * 5y ( x + y) = 1000
x³ + 125y³ + 3 * x * 5y ( x + 5y) = 1000
x³ + 125y³ + 15xy * 10 = 1000
x³ + 125y³ + 150xy - 1000 = 0.
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