在今晚8:00前给我!答对者重重加分!分解因式:(1)x^2+5x(2)-10x^2y-5xy^2+15xy(3) (x+2)(x+3)+3x^2+3x-2(4)(-8a^mb^3+12a^m+1b^2+16a^m+2b(5)3x^y-6xy+x(6)-4(m-1)^3n^3+16(m-1)^3n^2-26(m-1)^3n(7)a^3-ab^2(8)(x+1)^2-(2x-3)^2(9) 9(x-
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