Question #908df

1 Answer
Cem Sentin
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#

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