solve (x 3)(x 18)=6x

Mathematics
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solve 

(x+3)(x+18)=6x

May 19th, 2015

(x+3)(x+18)=6x

x^2+18x+3x+54=6x

x^2+15x+54=0

D=225-216=9

x1=(-15+3)/2=-6 and x1=(-15-3)/2=-9

answer : x1=-6 and x2=-9

May 19th, 2015

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