5 Supprime les parenthèses puis réduis. K = 5x – (2x - 3) M = 4 + 6x – (-2x + 7) L = 3x2 – (4x2 – x + 5) N = -5x – (-5x2 + x - 1) O = (6a + 8) – (4a + 2) P = (7
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5 Supprime les parenthèses puis réduis.
K = 5x – (2x - 3) M = 4 + 6x – (-2x + 7)
L = 3x2 – (4x2 – x + 5)
N = -5x – (-5x2 + x - 1)
O = (6a + 8) – (4a + 2) P = (7b - 2) + (3b – 5)
K = 5x – (2x - 3) M = 4 + 6x – (-2x + 7)
L = 3x2 – (4x2 – x + 5)
N = -5x – (-5x2 + x - 1)
O = (6a + 8) – (4a + 2) P = (7b - 2) + (3b – 5)
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