4w^2-9w+5/2+7w-9w^2

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Solution for 4w^2-9w+5/2+7w-9w^2 equation: 


w in (-oo:+oo)

4*w^2-(9*w^2)-(9*w)+7*w+5/2 = 0

4*w^2-9*w^2-9*w+7*w+5/2 = 0

5/2-5*w^2-2*w = 0

DELTA = (-2)^2-(-5*5/2*4)

DELTA = 54

DELTA > 0

w = (54^(1/2)+2)/(-5*2) or w = (2-54^(1/2))/(-5*2)

w = (3*6^(1/2)+2)/(-10) or w = (2-3*6^(1/2))/(-10)

w in { (3*6^(1/2)+2)/(-10), (2-3*6^(1/2))/(-10) }

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