Réduire les expressions suivantes :
A = x × 2x + 4 × 2 + 3x × 4
B = 2 × 4x - 4x × 2x + 8 × (-x)
C = 3 × (-2) + 4x × (-1) + 2x × 6x - 4 × (-3x)
A = x × 2x + 4 × 2 + 3x × 4
B = 2 × 4x - 4x × 2x + 8 × (-x)
C = 3 × (-2) + 4x × (-1) + 2x × 6x - 4 × (-3x)
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Bonjour,
Explications étape par étape :
A = x * 2x + 4 * 2 + 3x * 4
A = 2x² + 12x + 8
B = 2 * 4x - 4x * 2x + 8 * (-x)
B = -8x²
C = 3 * (-2) + 4x * (-1) + 2x * 6x - 4 * (-3x)
C = 12x² + 8x -6