solve by completing the square. 2 x 2 + 2 x − 3 = 0
solve by completing the square.
Answer & Explanation
Divide through bywhatever is multiplied on the squared term.
Take half of thecoefficient (don't forget the sign!) of the x-term, and square it. Add thissquare to both sides of the equation.
Bring the 3/2 over toother side
square root both sides
and this can be rewrote:
I would use the quadratic formula which is: