6 eme fois je publie plizzzz
Factoriser :
A = (x + 2)(x + 1) + ( x + 2) (7x - 5)
B = (x + 1) (2x - 3) - (x + 1)(5x + 1)
C = (2x +1)² + (2x + 1)(x + 3)
D = (3 + x) ( 5x + 2) - ( 3 + x)²
E = (2x - 3)(3x + 5) + (3x + 5)
Factoriser :
A = (x + 2)(x + 1) + ( x + 2) (7x - 5)
B = (x + 1) (2x - 3) - (x + 1)(5x + 1)
C = (2x +1)² + (2x + 1)(x + 3)
D = (3 + x) ( 5x + 2) - ( 3 + x)²
E = (2x - 3)(3x + 5) + (3x + 5)
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A = (x + 2)(x + 1) + ( x + 2) (7x - 5)
(x+2)(x+1+7x-5)
(x+2)(8x-4)
B = (x + 1) (2x - 3) - (x + 1)(5x + 1)
(x+1)(2x-3-5x-1)
(x+1)(-3x-4)
C = (2x +1)² + (2x + 1)(x + 3)
(2x+1)(2x+1+x+3)
(2x+1)(3x+4)
D = (3 + x) ( 5x + 2) - ( 3 + x)²
(3+x)(5x+2-3-x)
(3+x)(4x-1)
E = (2x - 3)(3x + 5) + (3x + 5)
(3x+5)(2x-3+1)
(3x+5)(2x-2)
B= (x+1) (2x-3-5x-1)=(x+1) (-3x-4)
C=(2x+1) (2x+1+x+3)=(2x+1) (3x+4)
.......
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