A Andy005 Member Joined Mar 6, 2017 Messages 57 Location Gosford Gender Male HSC 2018 Mar 8, 2017 #1 Solve 6x4+5x3-24x2-15x+18=0 if the sum of two of its roots is zero.
Paradoxica -insert title here- Joined Jun 19, 2014 Messages 2,556 Location Outside reality Gender Male HSC 2016 Mar 8, 2017 #2 6x²(x² - 3) + 5x(x²-3) - 6(x² - 3) = 0 (6x² + 5x - 6)(x³-3) = 0