Bonjour, pouvez m'aider urgent
Factoriser
A) (2x+1)*+(2x+1)
B) 3(2x-3)*-(2x-3)
C) (x+4)(3x+4)-x-4
D) (3x+7)(2x+1)+(x-4)(-2x-1)
MERCIIIII
Factoriser
A) (2x+1)*+(2x+1)
B) 3(2x-3)*-(2x-3)
C) (x+4)(3x+4)-x-4
D) (3x+7)(2x+1)+(x-4)(-2x-1)
MERCIIIII
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2* (2x+1)
B) 3(2x-3)*-(2x-3)=
(2x-3) (3-1) =
2* (2x-3)
C) (x+4)(3x+4)-(x+4)=
(x+4) (3x+4 -1) =
(x+4) (3x+3)
D) (3x+7)(2x+1)+(x-4)(-2x-1)=
(3x+7) (2x+1) + (x-4) (-1) (2x+1)=
(2x+1) (3x+7- x +4) =
(2x+1) (2x + 11)