(x+3)(2x-1) =?
imultite


Răspuns :

(x+3)(2x-1) =2x²-x+6x-3=2x²+5x-3
(x + 3 )( 2 x - 1 ) = 2 x² + 6 x - x - 3 = 2 x² + 5 x - 3