Bonsoir,
F = x - 3(-7 + x) = x + 21 - 3x = -2x + 21
G = 6 + (5 + x) = 6 + 5 + x = 11 + x
H = 6x(5 + x) = 30x + 6x²
I = 6x + (5 + x) = 6x + 5 + x = 7x + 5
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Bonsoir,
F = x - 3(-7 + x) = x + 21 - 3x = -2x + 21
G = 6 + (5 + x) = 6 + 5 + x = 11 + x
H = 6x(5 + x) = 30x + 6x²
I = 6x + (5 + x) = 6x + 5 + x = 7x + 5