SOLUTION: (3x+5)^2+8-0

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: (3x+5)^2+8-0      Log On


   

Question 171746: (3x+5)^2+8-0
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
(3x+5)^2+8-0
9x^2 + 30x + 25 + 8 = 0
9x^2 + 30x + 33 = 0
x = [-30 +- sqrt(30^2-4*9*33)]/18
x = [-30 +- sqrt(-288)]/18
x = [-30 +- 12isqrt(2)]/18
x = [-(5/3) +- (2/3)isqrt(2)]

===============================
Cheers,
Stan H.