w2-4w-45=0

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Solution for w2-4w-45=0 equation: 


w in (-oo:+oo)

w^2-(4*w)-45 = 0

w^2-4*w-45 = 0

w^2-4*w-45 = 0

DELTA = (-4)^2-(-45*1*4)

DELTA = 196

DELTA > 0

w = (196^(1/2)+4)/(1*2) or w = (4-196^(1/2))/(1*2)

w = 9 or w = -5

w in { -5, 9 }

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