=a((x+{b \over 2a})^2-({{\sqrt{b^2-4ac}} \over {2a}})^2)^{(5)}=a(x+{b \over 2a}-{{\sqrt{b^2-4ac}} \over {2a}})(x+{b \over 2a}+{{\sqrt{b^2-4ac}} \over {2a}})^{(6)}=