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Sagot :

LOULAKAR

Bonsoir


factoriser :


A = 7x + 42

A = 7 * x + 7 * 6

A = 7(x + 6)


B = 39 - 13x

B = 13 * 3 - 13 * x

B = 13(3 - x)


C = x^2 + 3x

C = x * x + x * 3

C = x(x + 3)


D = 27x^2 - 18x

D = 9x * 3x - 9x * 2

D = 9x(3x - 2)


E = 3x^2/2 + 9/4

E = 3/2 * x^2 + 3/2 * 3/2

E = 3/2(x^2 + 3/2)

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