3^(4x+3)<3^(-x^2/2)
4x+3<-x^2/2
x²/2+4x+3<0
x²+8x+6<0
D=8²-4*1*6=64-24=40
x1=-4-√10
x2=-4+√10
x∈(-4-√10;-4+√10)
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3^(4x+3)<3^(-x^2/2)
4x+3<-x^2/2
x²/2+4x+3<0
x²+8x+6<0
D=8²-4*1*6=64-24=40
x1=-4-√10
x2=-4+√10
x∈(-4-√10;-4+√10)