How to solve an equation

Mathematics
Tutor: None Selected Time limit: 1 Day

x^2+3x+4

Jan 22nd, 2015

X2+3x+4=0

X2+2*x*3/2+(3/2)2 = -4+(3/2)2 = -4+9/4 = -7/4

(x+3/2)2 = [sqrt(-7/4)]2

x+3/2 = ±sqrt(-7/4)

x= -3/2 ±sqrt(-7/4)

x = [-3 ±√(-7)]/2


Jan 22nd, 2015

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