Odpowiedzi

2012-08-13T11:32:09+02:00

8-10x+4x²+(12x³-21x²-6x):(-3x)=

 

4x²-10x+8-4x²+7x+2=-3x+10

2012-08-13T12:05:08+02:00

(8-10x+4x²)+(12x³-21x²-6x):(-3x) = 

 

=8-10x+4x²+(12x³:(-3x)-21x²:(-3x)-6x:(-3x))=

 

=8-10x+4x²-4x²+7x+2 = 

 

=-3x+10