Réponse:
U = 12x - y + 2
V = - 6y + 12 = 6 (-y + 2 )
W = 7ab + 2a - 4b
Y = x² + 4x + 8
Z = t² - 9t - 7
A = a² - a + 4ab
B = b² ( b + 1 )
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Réponse:
U = 12x - y + 2
V = - 6y + 12 = 6 (-y + 2 )
W = 7ab + 2a - 4b
Y = x² + 4x + 8
Z = t² - 9t - 7
A = a² - a + 4ab
B = b² ( b + 1 )