x^2/900-30x=12

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Solution for x^2/900-30x=12 equation: 


x in (-oo:+oo)

(x^2)/900-(30*x) = 12 // - 12

(x^2)/900-(30*x)-12 = 0

(x^2)/900-30*x-12 = 0

1/900*x^2-30*x-12 = 0

DELTA = (-30)^2-(-12*1/900*4)

DELTA = 67504/75

DELTA > 0

x = ((67504/75)^(1/2)+30)/(1/900*2) or x = (30-(67504/75)^(1/2))/(1/900*2)

x = 450*((67504/75)^(1/2)+30) or x = 450*(30-(67504/75)^(1/2))

x in { 450*(30-(67504/75)^(1/2)), 450*((67504/75)^(1/2)+30) }

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