👤
SOUMY00
Answered

bonjour à tous
j'ai du mal a comprendre cette expression a factorisé merci de votre aide :
E = (2x +1)² + (2x +1)
F = 3(2x - 3)² - (2x - 3)

Sagot :

AYUDA

bsr

E = (2x+1) (2x+1) + 1 x (2x + 1)

  = (2x+1) [(2x + 1) + 1)

  = (2x + 1) (2x + 2)

  =  2 (2x + 1) (x + 1)

et

F = 3 (2x - 3) (2x - 3) - 1 x (2x - 3)

  = (2x - 3) [ 3(2x - 3) - 1 ]

  = (2x - 3) (6x - 9 - 1)

  = (2x - 3) (6x - 10)

  = 2 (2x - 3) (3x - 5)

VINS

bonjour

E = ( 2 x + 1 )² + ( 2 x + 1 )

E = ( 2 x + 1 ) ( 2 x + 1 + 1 )

E = ( 2 x + 1 ) ( 2 x + 2 )

E = 2 ( 2 x + 1 ) ( x + 1 )

F =  3 ( 2 x - 3 ) ² - ( 2 x - 3 )

F =  ( 2 x - 3 )  [ 3 ( 2 x - 3 ) - 1 ]

F = ( 2 x - 3 ) ( 6 x - 9 - 1 )

F = ( 2 x - 3 ) ( 6 x - 10 )

F =  2 ( 2 x - 3 ) ( 3 x - 5 )

 

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