Réduction des expressions eco 43 et 44.... Pergunta de ideia deissartelnathan

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Réduction des expressions eco 43 et 44

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43)
A = 9x + 11 + 3x + 7
A = 9x + 3x + 11 + 7
A = 12x + 18

B = 5x - 7 - 2x + 8
B = 5x - 2x - 7 + 8
B = 3x + 1

C = 11 + 2x + 12,5 - x
C = 2x - x + 11 + 12,5
C = x + 23,5

D = 1/4x - 2 - 5/4x + 9
D = 1/4x + 8/4 - 5/4x + 36/4
D = 1/4x - 5/4x + 8/4 + 36/4
D = - 4/4x + 44/4
D = - x + 11

E = - 3x + 6 - 8 + 11x - 4x
E = - 3x - 4x + 11x + 6 - 8
E = - 7x + 11x - 2
E = 4x - 2

44)
A = x² + 3x + 11 + 6x + 2x² + 1
A = x² + 2x² + 3x + 6x + 11 + 1
A = 3x² + 9x + 12

B = 43 - 9x - 17x² + x - 21
B = - 17x² - 9x + x + 43 - 21
B = - 17x² - 8x + 22

C = - 3x² + 7x - 11 - x² + 9 + 5x
C = - 3x² - x² + 7x + 5x - 11 + 9
C = - 4x² + 12x - 2

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