Trang chủ » Hỏi đáp » Môn Toán 4x-20 12x²y-3xy²+18x²y³ 3y(y.2x)+6y(2x-y) 7x(x-1)+5y(x-1) 2(x-1)-y(1-x) 15/03/2025 4x-20 12x²y-3xy²+18x²y³ 3y(y.2x)+6y(2x-y) 7x(x-1)+5y(x-1) 2(x-1)-y(1-x)
a, 4x-20 = 4(x-5) b, 12x^2 y -3xy^2 +18x^2 y^3 = 3xy(4x-y+6xy^2) c, 3y(y.2x)+6y(2x-y) = 3y^2 . 6xy +6y(2x-y) = 6y(3xy^2 +2x-y) d, 7x(x-1)+5y(x-1) =(x-1)(7x+5y) e, 2(x-1)-y(1-x) = 2(x-1)+y(x-1) =(x-1)(2+y) Trả lời
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