vous pouvez m'aider svp​

Bonsoir,

Factoriser les expressions:

D= (2x+3)(x+1+2x+3)

D= (2x+3)(3x+4)

C= x²-17

C= - (√17-x)(x+17)

J= (5x-3)²-4x(5x-3)

J= (5x-3)(5x-3-4x)

J= (5x-3)(x-3)

P= 6²-(x+1)²

P= (6-x-1)(6+x+1)

P= (-x+5)(x+7)

P= -(x-5)(x+7)