Forum Thread: How to First Year Math 4.1 Question No 1

x2+35x-25 from following farmula ax2+bx+c=0

-b +/- sqrt (b^2 - 4ac) / 2a
= -35 +/- sqrt (1225 -4(-25) / 2
= -35 +/- 36.4005 /2

= -35.7002 or 0.7002