Bonjour,
4(6x-4) = 24x-16
-6(4x+4) = -24x-24
-4(6x-4) = -24x+16
2(6x+7) = 12x+14
6(4x+4) = 24x+24
4(6x+4) = 24x+16
-4(6x+4) = -24x-16
-6(4x-4) = -24x+24
5x²-8x² = -3x²
-5x-8x = -13x
-5x²+8x² = 3x²
5x-8x = -3x
-5x²-8x² = -13x²
-5x+8x = 3x
5x+8x = 13x
5x × 8x = 40x²
5x²+8x² = 13x²
Bonne journée
