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Sagot :

Bonjour,

Factoriser :

[tex] = ( - 9x + 6)x + x(5x + 7)[/tex]

[tex] = x( - 9x + 6) + x(5x + 7)[/tex]

[tex] = x( - 9x + 6 + 5x + 7)[/tex]

[tex] = x( - 4x + 6 + 7)[/tex]

[tex] \boxed{ = x( - 4x + 13)}[/tex]

Bonne journée.

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