Answer :
-19.643650760993 & -0.35634923900705
-19.643650760993 + -0.35634923900705 = -20
19.643650760993 * -0.35634923900705 = 7
-19.643650760993 + -0.35634923900705 = -20
19.643650760993 * -0.35634923900705 = 7