Solve the following equations for x:

,


Given:-


Take



We know that, Formula



Thus,


⇒


⇒


⇒


⇒


⇒ 2x2 – 8 + 2 = 12


⇒ 2x2 = 18


⇒


Since,


x < –√3 or x > √3


So,


x= +3, –3 is the root of the given equation


Therefore,


x= +3, –3


3