Question 1028884
=


(1/2)x^2 + 3x =1

multiply by 2
x^2+6x =2

Third term can be found out by the formula 

(1/2* coefficient of middle term )^2

((1/2)*6)^2

=9


x^2 + 6x+9 =2+9

(x+3)^2 = 11

x+3= +/-sqrt(11)

x= -3   +/- sqrt(11)