AF42694 AF42694

28-06-2018
Mathematics

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X^2+11x<-18 solve for x

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kaygoode64 kaygoode64

28-06-2018

x^2+11x+18<0 ----- Subtract 18 from both sides
(x+2)(x+9)=0-------- Factor the left side
------Set factors equal to zero
Your answer is -9<x<-2

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