please tell me please tommorow is my final exam i have dout about this
i have no tution please tell
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15x^3-y^3+17x^y+xy^2
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7) (5x-y)(3x^2+4xy+y^2)
15x^3+20x^2y+5xy^2-3x^2y-4xy^2-y^3
15x^3+17x^2y+xy^2-y^3
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