4(2x-1)-6(2x-3)=
-5(2x-3)+4(x-5)
2x(2x-3)-x^2(x-1)​



Odpowiedź :

Hej!

4(2x - 1) - 6(2x - 3) =

= 8x - 4 - 12x + 18 =

= -4x + 14

-5(2x - 3) + 4(x - 5) =

= -10x + 15 + 4x - 20 =

= -6x - 5

2x(2x - 3) - x²(x - 1) =

= 4x² - 6x - x³ + x² =

= -x³ + 5x² - 6x

Pozdrawiam! - Julka