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Sagot :

TEAMCE

Bonsoir,

Développer et réduire:

F = x(x + 6) - x

F = x*x + x*6 - x

F = x² + 6x - x

F = + 5x

G = 2x(x + 1) - 4x²

G = 2x*x + 2x*1 - 4x²

G = 2x² + 2x - 4x²

G = -2x² + 2x

H = x(y - 2) + xy

H = x*y - x*2 + xy

H = xy - 2x + xy

H = 2xy - 2x

I = 3x(x + 4) - 6,72

I = 3x*x + 3x*4 - 6,72

I = 3x² + 12x - 6,72

I = 3x² + 12x - 6,72

* = multiplication

Bonne soirée.

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