Odpowiedzi

2009-11-25T20:08:04+01:00
3m(m-4)(5m+2)-3(2 m+3)(4-3m) = 3m(5m²+2m-20m+8)-3(8m-6m²+12-9m)= 15m³+6m-60m²+24m-24m+12m²-36+27= 15m³-42m²-96+27m