Zapisz wyrażenie w jak najprostrzej postaci : 6[7-2(x+y)]-5[8+3(x-y)]+4[3-4(y-x)] Prosze o Pomoc
6[7 - 2(x + y)] - 5[8 + 3(x - y)] + 4[3 - 4(y - x)] =
6[7 - 2x - 2y)] - 5[8 + 3x - 3y] + 4[3 - 4y + 4x)] =
42 - 12x - 12y - 40 - 15x + 15y + 12 - 16y + 16x = 14 - 11x - 19y
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6[7 - 2(x + y)] - 5[8 + 3(x - y)] + 4[3 - 4(y - x)] =
6[7 - 2x - 2y)] - 5[8 + 3x - 3y] + 4[3 - 4y + 4x)] =
42 - 12x - 12y - 40 - 15x + 15y + 12 - 16y + 16x = 14 - 11x - 19y