SOLUTION: Solve by completing the square and then graph it.
x2 + 8x + 12= 0
Algebra.Com
Question 84255: Solve by completing the square and then graph it.
x2 + 8x + 12= 0
Answer by vertciel(183) (Show Source): You can put this solution on YOUR website!
x^2 + 8x + 12 = 0
(x^2 + 8x + 16)+ 12 - 16 = 0
x^2 + 8x + 16 - 4 =
x^2 + 8x + 12 = (x + 6)(x + 2)
Thus, the roots of the equation are -6 and -2.
RELATED QUESTIONS
Solve by completing the square:
x2 + 8x + 13 = 0
(answered by stanbon)
1. Which of the following is a quadratic equation that has roots of 2 1/2 and 2/3?
A)... (answered by Alan3354)
Solve the following equation by completing the square
x2-8x+15=0
Once again I'm... (answered by MathLover1)
Solve by completing the square:
x2 + 8x + 13 = 0
Show in steps please
(answered by Earlsdon)
Solve x2 + 4x – 12 = 0 by completing the square. Show your work for full credit. (answered by ReadingBoosters)
Solve by completing the square. Then graph
Y=... (answered by Fombitz)
Solve by completing the square:
x2 + 6x + 4 = 0
(answered by jake_6233)
Solve by completing the square:
x2 + 6x + 4 =... (answered by tutorcecilia,atif.muhammad)
Solve by completing the square.
x2 + 2x – 15 = 0
(answered by Earlsdon)