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tiviviak
@tiviviak
January 2021
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Il faut factoriser les expressions svp
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supersong
Verified answer
Bonjour,
=7(2x - 3y)
=(3x + 1)^2
=(4x + 3)^2
=(5x + 1)(3x + 1 + 7x - 6)
=(5x + 1)(10x - 5)
=(5x + 1) * 5(2x - 1)
= (6x - 5)(6x + 5)
=(9x + 6)^2
= x^2 - 3
2 votes
Thanks 1
PAU64
Verified answer
14x - 21y
=
7
* 2 * x -
7
* 3 * y
= 7 (2x - 3y)
9x² + 6x + 1
= (3x)² - 2 * 3 * x + 1²
= (3x + 1)²
16x² - 24x + 9
= (4x)² - 2 * 12 * x + 3²
= (4x - 3)²
(5x + 1)
(3x + 1) +
(5x + 1)
(7x - 6)
= (5x + 1) [(3x + 1) + (7x - 6)]
= (5x + 1) (3x + 1 + 7x - 6)
= (5x + 1) (10x - 5)
36x² - 25
= (6x)² - 5²
= (6x - 5) (6x + 5)
81x² + 144x + 64
= (9x)² + 2 * 72 * x + 8²
= (9x + 8)²
x² - 3
--> Je pense qu'on ne peut pas factoriser cette expression.
2 votes
Thanks 0
tiviviak
merci
PAU64
de rien :)
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Lista de comentários
Verified answer
Bonjour,=7(2x - 3y)
=(3x + 1)^2
=(4x + 3)^2
=(5x + 1)(3x + 1 + 7x - 6)
=(5x + 1)(10x - 5)
=(5x + 1) * 5(2x - 1)
= (6x - 5)(6x + 5)
=(9x + 6)^2
= x^2 - 3
Verified answer
14x - 21y= 7 * 2 * x - 7 * 3 * y
= 7 (2x - 3y)
9x² + 6x + 1
= (3x)² - 2 * 3 * x + 1²
= (3x + 1)²
16x² - 24x + 9
= (4x)² - 2 * 12 * x + 3²
= (4x - 3)²
(5x + 1) (3x + 1) + (5x + 1) (7x - 6)
= (5x + 1) [(3x + 1) + (7x - 6)]
= (5x + 1) (3x + 1 + 7x - 6)
= (5x + 1) (10x - 5)
36x² - 25
= (6x)² - 5²
= (6x - 5) (6x + 5)
81x² + 144x + 64
= (9x)² + 2 * 72 * x + 8²
= (9x + 8)²
x² - 3
--> Je pense qu'on ne peut pas factoriser cette expression.