Bonjour,
15x -30 -6x² +12x = -6x² +27x =30
4x² -32x +2x -16 = 4x² -30x -16
49x² - 28x +4
6x+18 + 6x² -10x -9x +15 = 6x² -13x +33
3x² -15x +2x -10 -x +5 = 3x² -14x -10
-10x -15x² -2x² -5x -4x -10 = -15x² -19x -10
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Bonjour,
15x -30 -6x² +12x = -6x² +27x =30
4x² -32x +2x -16 = 4x² -30x -16
49x² - 28x +4
6x+18 + 6x² -10x -9x +15 = 6x² -13x +33
3x² -15x +2x -10 -x +5 = 3x² -14x -10
-10x -15x² -2x² -5x -4x -10 = -15x² -19x -10
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