Question 171746
(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)]


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Cheers,
Stan H.