Question #908df

1 Answer
Nov 27, 2017

x_1=-3/2 and x_2=-2

Explanation:

2x^2+7x=-6

2x^2+7x+6=0

Delta=7^2-4*2*6=1=1^2

For a=2 and b=7.

x_1=(-b+sqrt(Delta))/(2a)=(-7+1)/(2*2)=(-6)/4=-3/2

x_2=(-b-sqrt(Delta))/(2a)=(-7-1)/(2*2)=(-8)/4=-2