OBLICZ MATEMATYKAAAA
(7x2 + 3y2 + 4y) – (2x2 – y2 + 2y) =

(6x – 7y + 2) + (-5x – 4y – 5) =

– (4c + 2b – 7) – (3c – 6b + 2) =


2(x + 3y) =

5(x2 – 4y) =

-3(-2x – 5y) =

– 5x(2a + 7b) =

(12x – 6b) : 2 =

(28x + 14y) : (-2) =

(7x + 3y – 8c) – (-4c – 6y + 2c) =