Réponse :Bonjour,
a) 2*x + 2*5 = 2x+10
b) 7 *2-7 * 3x = 14-21x
c) 4x * 5+4x * x = 20x+4x²
d) -2 * 7-(-2) * 2x = -14+4x
e) 5x * 3x+5x * 4 = 15x²+20x
a) 2 × x+2 × 5 = 2x+10
b) 7 × 2-7 × 3x = 14-21x
c) 4x × 5+4x × x = 20x+4x²
d) -2 × 7-(-2) × 2x = -14+4x
e) 5x × 3x+5x × 4 = 15x²+20x
Et voila
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Verified answer
Réponse :Bonjour,
a) 2*x + 2*5 = 2x+10
b) 7 *2-7 * 3x = 14-21x
c) 4x * 5+4x * x = 20x+4x²
d) -2 * 7-(-2) * 2x = -14+4x
e) 5x * 3x+5x * 4 = 15x²+20x
Verified answer
a) 2 × x+2 × 5 = 2x+10
b) 7 × 2-7 × 3x = 14-21x
c) 4x × 5+4x × x = 20x+4x²
d) -2 × 7-(-2) × 2x = -14+4x
e) 5x × 3x+5x × 4 = 15x²+20x
Et voila