Bjr j'ai besoin d'aide qui la bonne réponse 1) 3x(8 - 2x) = a)24x - 6x² b) 11x - 5x² c) 24x -2x² d) 24x + 6x²

2) (x +5)(6x - 9) = a) 6x² - 9x + 30x - 45 b) 6x²- 39x - 45 c)21x -45 + 6x² e)6x² - 45

3)(x + 1)(2x + 3) = a) 2x + 3 b)2x² + 3 c) 2x² + 5x + 3 d) 2x²+ 5x + 4

4)3x - 2)(7x - 4) =a) 21x² - 7x + 8 b)21x² - 26x + 8 c) 21x² - 26x - 8 d)21x² + 8
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