а) p^2y + r^2u
б) 5m^2b - 10mb = 5m(m - 2b)
в) 6x(x - y) - y(x - y) = 6x^2 - 6xy - yx + y^2 = 6x^2 - 7xy + y^2
а) p^2y + r^2u
б) 5m^2b - 10mb = 5m(m - 2b)
в) 6x(x - y) - y(x - y) = 6x^2 - 6xy - yx + y^2 = 6x^2 - 7xy + y^2