X^2y^2 + ( 5xy^2) (4y^4) + (7xy^3) 8 + x^2y^2

请输入您的数学问题…… x^2y^2 + (-5xy^2) - (4y^4) + (7xy^3) - 8 + x^2y^2

问题

x^{2} y^{2} + (- 5 x y^{2}) - (4 y^{4}) + (7 x y^{3}) - 8 + x^{2} y^{2}

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