а) 20y + 8x = 4(5y + 2x)
б) -ax - bx = -x(a + b)
в) x^2 - x = x(x - 1)
г) Не является дробью.
д) 25a^3b^2 = 25a^2b^2 a = 5a^2b^2 5a
е) 4x^2y - 4x^3 = 4x^2(y - x)
15y + 6x = 3(5y + 2x)
ay + by = y(a + b)
by - ay = y(b - a)
3x - 3 = 3(x - 1)
5a^2b - 15a^3b^2 = 5ab(1 - 3a^2b)
12x^2y^2 - 12xy^3 = 12xy^2(x - y)
а) 20y + 8x = 4(5y + 2x)
б) -ax - bx = -x(a + b)
в) x^2 - x = x(x - 1)
г) Не является дробью.
д) 25a^3b^2 = 25a^2b^2 a = 5a^2b^2 5a
е) 4x^2y - 4x^3 = 4x^2(y - x)
15y + 6x = 3(5y + 2x)
ay + by = y(a + b)
by - ay = y(b - a)
3x - 3 = 3(x - 1)
5a^2b - 15a^3b^2 = 5ab(1 - 3a^2b)
12x^2y^2 - 12xy^3 = 12xy^2(x - y)