Rotarulauraid Rotarulauraid Matematică a fost răspuns Grupand convenabil termenii ,descompuneti in factori :a) mx-my+nx-nyb) a²b+ab²-a-bc)x·y+x√3-y√2-√3·√2d)a²b+b²x-a²y-b²ye) x³-x²+x-1f) x³+4x²+4x+16g) x³+x²-2x-2