x²-9xy-52y²x²y+10xy+25yx^4-13x^2 y^2+36y^4

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x²-9xy-52y²x²y+10xy+25yx^4-13x^2y^2+36y^4x²-9xy-52y²x²y+10xy+25yx^4-13

x²-9xy-52y²x²y+10xy+25yx^4-13x^2 y^2+36y^4
x²-9xy-52y²
x²y+10xy+25y
x^4-13x^2 y^2+36y^4

x²-9xy-52y²x²y+10xy+25yx^4-13x^2 y^2+36y^4
第一个
-13 4 (X+13)(X-4)=0
第二个
Y(X²+10X+25)=Y(X+5)²
第三个
...这个符号是什么

x²y+10xy+25y=y(x+5)²

(X-13Y)(X-4Y);
Y(X+5Y)(X+5Y);
(X^2-4Y)(X^2-9Y)

答案如下:
(x+4y)(x-13y)
(xy+5y)(x+5)
(x^2-4y^2)(x^2-9y^2)