PLEASE SOLVE IT FAST
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Answered by
1
Answer:
x is 4 y is 3 or x is 3 y is 4
x®+y®=(x+y)2-3xy-3xy2
=(x+y) -3xy(x+y)
=(7)3-3(12)(7)
= 4913252
=4661
Answered by
2
Answer:
X+y=7
x²+y²=25
(X+y)²-2xy =25
(7)²-2xy=25
XY=12------------------------1
x³+y³=(X+y)³-3x²y-3xy²
=(X+y)³-3xy(X+y)
=(7)³-3(12)(7)
=4913-252
=4661
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