y^2+7y=49/4

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Solution for y^2+7y=49/4 equation: 


y in (-oo:+oo)

y^2+7*y = 49/4 // - 49/4

y^2+7*y-(49/4) = 0

y^2+7*y-49/4 = 0

y^2+7*y-49/4 = 0

DELTA = 7^2-(-49/4*1*4)

DELTA = 98

DELTA > 0

y = (98^(1/2)-7)/(1*2) or y = (-98^(1/2)-7)/(1*2)

y = (7*2^(1/2)-7)/2 or y = (-7*2^(1/2)-7)/2

y in { (-7*2^(1/2)-7)/2, (7*2^(1/2)-7)/2 }

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