Solve x 2 + 15 x + 20 < 6 x + 2
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Answer:
x²+15x+20 < 6x+2
x²+15x-6x+20-2< 0
x²+9x+18< 0
x²+3x+6x+18< 0
x(x+3)+6(x+3)< 0
x+6(x+3)< 0
x<-6,x<-3
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