Odpowiedź:
(− 3 ( −5x − 4y)) i (− (3y − x)) = (− 3 ( −5x − 4y)) - (− (3y − x)) = (15x + 12y) + 3y - x = 15x+12y + 3y - x = 14x + 15y
Odp : B
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Odpowiedź:
(− 3 ( −5x − 4y)) i (− (3y − x)) = (− 3 ( −5x − 4y)) - (− (3y − x)) = (15x + 12y) + 3y - x = 15x+12y + 3y - x = 14x + 15y
Odp : B