упрастите -3х(2-х)+(3х+1) (х-2)

Question

упрастите -3х(2-х)+(3х+1) (х-2)

Answer 1

-3x(2-x)+(3x+1)(x-2)
-6x+3x^2+(3x^2-6x+x-2)
-6x+3x^2+3x^2-6x+x-2
6x^2-11x-2