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Sagot :

Réponse :

bonsoir

A= -6x² +9x +10x - 15

A= - 6x²+ 19x -15

A= x (- 6x - 19) - 15

B = 4x² - 1

C = - 2x - 8 + x² +4x

C = x² + 2x - 8

C = x (x +2x) - 8

D = 4x - 24 - 3x² + 18x

D = - 3x² + 22x - 24

D =  x (-3x + 22) - 24

E = -15x² - 10x - 6x - 4

E = - 15x² - 16x - 4

E = x ( - 15x - 16 ) -4

F = - 6x + 21 - 2x² + 7x

F = - 2x² + x + 21

F = x (- 2x +1 ) +21

G = 9x² -30 x +25

N°6)

A = 4x² + 2x - 3x - 4x²+ 9 + 8

A = - x + 17

B = 8x - 10x + 5x²

B = 5x² - 18x

B = x ( 5x - 18 )

C = - 6x + 15 - 2x - 7

C = - 8x + 8

C = 8 ( - x + 1)

D = - 4x² + 36x - x + 9

D = - 4x² + 35x + 9

D = x (-4x + 35) + 9

E = 3x² - 4x + 9 - 4x² + x - 1

E = - x² - 3x + 8

E = x (-x - 3) + 8

F = 21x² -3 - 12x + 20x²

F = 41 x² -12x - 3

F =  x (41x - 12) -3

G = 12x - 24 - 4x² + 8x

G = - 4x + 20x  - 24

G = 4x (- x - 5x) - 24

H = 7x² - 4 + 3x² - 5x - 2x - 6

H = 10x² - 7x - 10

H = x (10x - 7 ) - 10

Explications étape par étape

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