6. in solving Qes using the quadratic equation formula what should be the factors of √200 in order to have the most simplified radicand? A.√4(50) B. √40(5) c. 100(2) d. 20(10) 7. which of the ff. quadratic equation has no real roots A 2x^24x=3 B. t^2-8t-4=0 c. x^2+15 d. 7x^2-15=0​