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Sagot :

MAUDMARINE

Bonjour

Recopier puis factoriser les expressions suivantes :

H = 5x - 15 = 5 (x - 3)

I = 4x² + 9x = x (4x + 9)

J = 14-21x = 7 (2 - 3x)

K = 3x + 6x² = 3x (2 + 1).

LOULAKAR

Bonjour


Recopier puis factoriser les expressions suivantes :


H = 5x - 15

H = 5 * x - 5 * 3

H = 5(x - 3)


I = 4x² + 9x

I = x * 4x + x * 9

I = x(4x + 9)


J = 14-21x

J = 2 * 7 - 3x * 7

J = 7(2 - 3x)


K = 3x + 6x² 

K = 3x * 1 + 3x * 2x

K = 3x(1 + 2x)

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