Suradnik:Vogand/Izraza

$-(10-{\frac {-3}{-9-3}})({\frac {-5+10w}{-4t}})$
$-(10-{\frac {-3}{-12}}){\frac {-5+10w}{-4t}}$
$-(10-{\frac {3}{12}}){\frac {-5+10w}{-4t}}$
$-(10-{\frac {1}{4}}){\frac {-5+10w}{-4t}}$
$-{\frac {39}{4}}{\frac {-5+10w}{-4t}}$
$-{\frac {39}{4}}{\frac {-10w+5}{4t}}$
$-{\frac {39(-10w+5)}{16t}}$
$-{\frac {195(-2w+1)}{16t}}$
${\frac {195(2w-1)}{16t}}$