if px^2+3x+q=0 has two roots x=-1 and x=-2 ,find the value of q - p . Share with your friends Share 6 Varun.Rawat answered this Refer the following link : https://www.meritnation.com/ask-answer/question/3x-q-0-has-two-roots-x-1-and-x-2-the-value-o/quadratic-equations/6986318 3 View Full Answer