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Sagot :

Bonjour,

Factoriser en identifiant le facteur commun :

[tex]A = 4x + 4 \times 7[/tex]

[tex]A = 4x + 28[/tex]

[tex]\boxed{A = 4(x + 7)}[/tex]

[tex]B = x {}^{2} + 2x[/tex]

[tex]\boxed{B = x(x + 2)}[/tex]

[tex]C = 7x - 7[/tex]

[tex]\boxed{C = 7(x - 1)}[/tex]

[tex]D = 3x - 9[/tex]

[tex]\boxed{D = 3(x - 3)}[/tex]

[tex]E = 10x + 20[/tex]

[tex]\boxed{E = 10(x + 2)}[/tex]

[tex]F = 9x {}^{2} - 6x [/tex]

[tex]\boxed{F = 3x(3x - 2)}[/tex]

Bonne journée.

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