Hellow guys, Welcome to my website, and you are watching Express in the form of p-q(x+r)^2. 7-8x-2x^2. and this vIdeo is uploaded by IGCSE AS & A level Kishan Swaroop Yadav at 2022-01-05T03:58:32-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.