x^2+x=7/4

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Solution for x^2+x=7/4 equation: 


x in (-oo:+oo)

x^2+x = 7/4 // - 7/4

x^2+x-(7/4) = 0

x^2+x-7/4 = 0

x^2+x-7/4 = 0

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

DELTA = 8

DELTA > 0

x = (8^(1/2)-1)/(1*2) or x = (-8^(1/2)-1)/(1*2)

x = (2*2^(1/2)-1)/2 or x = (-2*2^(1/2)-1)/2

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

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