SOLUTION: Please anyone tell me if I got this answers right? Thank you so much!!! x = -5 and 2x2 + 4x -30 = 0 1) x=5 (x-5)(x-5) x^2 -10x +25 2) 2x^2 +4x -30 = 0 -4 +/- sq

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons -> SOLUTION: Please anyone tell me if I got this answers right? Thank you so much!!! x = -5 and 2x2 + 4x -30 = 0 1) x=5 (x-5)(x-5) x^2 -10x +25 2) 2x^2 +4x -30 = 0 -4 +/- sq      Log On


   

Question 216596: Please anyone tell me if I got this answers right? Thank you so much!!!
x = -5 and 2x2 + 4x -30 = 0
1) x=5
(x-5)(x-5)
x^2 -10x +25

2) 2x^2 +4x -30 = 0
-4 +/- sqrt((4)^2 - 4(2)(-30))
2(2)
-4 +/- sqrt(16 +240)
4
-4 +/- sqrt(256)
4
-4 +/- 16
4
x = 3 x= -5
Answer by DRichardson(63) About Me  (Show Source):
You can put this solution on YOUR website!
Hello There,
Yes! I believe you did! Were you haveing problems with it?
Delilah Richardson