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besoin d'aide rapide svppp ​

Besoin Daide Rapide Svppp class=

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F =  ( 7 x - 2 ) ( x - 9 ) +  2 ( 7 x - 2 )

F = ( 7 x - 2 ) ( x - 9 + 2 )

f = ( 7 x - 2 ) ( x - 7 )

G = ( x + 4 )² + ( x - 4 ) ( x + 4 ) + 2 ( x + 4 )

G = ( x + 4 ) ( x + 4 + x - 4 + 2 )

G = ( x + 4 ) ( 2 x + 2 )

G = 2 ( x + 4 ) ( x + 1 )

H = (  2 x + 6 ) ( x - 5 ) + 3 ( x + 3 )

H = 2 ( x + 3 ) ( x - 5 ) + 3 ( x + 3 )

H = ( x + 3 )   ( 2 x - 10 + 3 )

H = ( x + 3 ) ( 2 x - 7 )