Développer et réduire les expressions suivantes.
E = (x + 3)(x + 2)
F = (x + 4)(2x + 5)
G = (3x + 4)(2x + 1)
H = (5x + 4)(2x + 7)
E = (x + 3)(x + 2)
F = (x + 4)(2x + 5)
G = (3x + 4)(2x + 1)
H = (5x + 4)(2x + 7)
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Bonjour,
E = (x + 3)(x + 2)
= x² +2x +3x = 6
=x² +5x +6
F = (x + 4)(2x + 5)
= 2x² +5x +8x +20
= 2x² +13x +20
G = (3x + 4)(2x + 1)
= 6x² +3x +8x +4
= 6x² +11x +4
H = (5x + 4)(2x + 7)
= 10x² +35x +8x+28
= 10x² +43x +28
Bonne soirée!
E= ×^2 + 5x + 6
F= 2x^2 + 5x + 8x + 20
F= 2x^2 + 13x + 20
G= 6×^2 + 3x + 8x + 4
G= 6x^2 + 11x + 4
H= 10x^2 + 35x + 8x + 28
H= 10x^2 + 43x + 28