Solve 2 x 2 + 38 x + 180 = 0
2 x ^2 + 38 x + 180 = 0 divide through by 2
x^2 + 19x + 90 = 0 .... factor.....
(x + 9) ( x + 10) = 0
Set each factor to 0 and x = - 9 or x = - 10
