September 2018 1 29 Report
Resolver las siguientes ecuaciones de segundo
grado, usando la formula
a) x2+x-6=0 b) x2-x-12=0
c) x2-x-20=0 d) x2+5x-14=0
e) 2x(x-3)+1=x-2 e) (x-2)(x+3)-x+5=2x-1
o) x2+5x+2=2x+12 p) 2-x(x+3)+2x=2(x+1)

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