Question 547661
30x^2y+5xy-10y
5(6x^2y+xy-2y)
5y(6x^2+x-2)
5y(6x^2-3x+4x-2)
5y(6x^2-3x)+(4x-2)
5y[3x(2x-1)+2(2x-1)]
5y(2x-1)(3x+2)