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(x-y)(radical2+1)³+(1-radical2)³(y+x)=14+10radical2

Răspuns :

2x + 2y = 12,
x + y = 6,
x = 6-y6-y + y + (6-y) * y = 14
-y² + 6y + 6 = 14
y²-6y + 8 = 0
y1 = 2; y2 = 4