Bonjour
C = 7 * 3 * b = 21b
D = 2 * a * 5 * b = 10ab
E = (a + b) * (x - 2) = ax - 2a + bx - 2b.
F = 9 * a + 6 * b = 9a + 6b.
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Bonjour
C = 7 * 3 * b = 21b
D = 2 * a * 5 * b = 10ab
E = (a + b) * (x - 2) = ax - 2a + bx - 2b.
F = 9 * a + 6 * b = 9a + 6b.