A cura di: Francesco Speciale

Svolgimento:
$(x-1/2)(x+2/4)-(x-3)(x+5)<4/8$
$x^2+2/4x-1/2x-1/4-(x^2+5x-3x-15)<1/2$
$x^2+2/4x-1/2x-1/4-x^2-5x+3x+15<1/2$
Semplificando si ha
$-1/4-5x+3x+15<1/2$
cioè
$-2x<(2+1-60)/4=>-x<-(57)/8=>x>(57)/8$.