Bonjour I NEED YOUR HELP !
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bonjour,
P (x) = - ( 2 x - 5 ) ( 2 x + 6) - ( 2 x - 5 ) ( 3 x + 3 )
P (x) = - ( 2 x - 5 ) ( 2 x + 6 - 3 x - 3 )
P (x) = - ( 2 x - 5 ) ( - x + 3 )