Bonjour j'ai un QCM sur la distributivité merci pour votre aide ça sera un plaisir de ma part 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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