Bonjour
A = a² + 12a + 36
B = t² + 20t + 100
C = 25p² + 40p + 16
D = 25x² + 20x + 4
E = 16x² + 56x + 49
F = 2,25b² + 10,2b + 11,56
G = 0,49 + 2,8z + 4z²
H = 1,44 + 2,4y + y².
