a)
`(2x-3)(x+4)>2(x^2 +1)`
`<=>2x^2 +8x-3x-12>2x^2 +2`
`<=>5x>14`
`<=>x>14/5`
//////////////////////l/////////////l---------->
`0` `14/5`
b)
`(3x-1)/2-(5x+1)/3>4`
`<=>(9x-3)/6-(10x+2)/6>24/6`
`<=>9x-3-10x-2>24`
`<=>-x>29`
`<=>x<-29`
-------------l////////////////l////////////////////
-29 0


