2xy(3-xy)- (3-2xy)2^ - xy (10- xy) x= - 1/3 y= -3
Błagam szybko to na jutro !! dam naj
6xy - 2x²y² - (9 - 12xy + 4x²y²) - 10xy + x²y²
-4xy + 2x²y² - 9 + 12xy + x²y²
8xy + 3x²y² - 9
8*⅓*(-3) + 3(1/9+9) - 9
-24 + 27 ⅓ - 9
2 2/3 - 9
-6 ⅓
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6xy - 2x²y² - (9 - 12xy + 4x²y²) - 10xy + x²y²
-4xy + 2x²y² - 9 + 12xy + x²y²
8xy + 3x²y² - 9
8*⅓*(-3) + 3(1/9+9) - 9
-24 + 27 ⅓ - 9
2 2/3 - 9
-6 ⅓