SVP aidez moi c pour demain et j'ai pas eu le temps de finir svpp !! c urgent :) Factoriser A = (4x – 1)² – (2x + 3)² B = x3 – 16x C = 25x² – 1 – (4x – 3)(5x +
Mathématiques
chayanneborgi
Question
SVP aidez moi c pour demain et j'ai pas eu le temps de finir svpp !! c urgent :)
Factoriser
A = (4x
– 1)² – (2x + 3)²
B = x3 – 16x
C = 25x²
– 1 – (4x – 3)(5x + 1)
Factoriser
A = (4x
– 1)² – (2x + 3)²
B = x3 – 16x
C = 25x²
– 1 – (4x – 3)(5x + 1)
1 Réponse
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1. Réponse Anonyme
Factoriser
A = (4x– 1)² – (2x + 3)²
=(4x-1-2x-3)(4x-1+2x+3)
=(2x-4)(6x+2)
=4(x-2)(3x+1)
B = x³ – 16x
=x(x²-16)
=x(x-4)(x+4)
C = 25x²– 1 – (4x – 3)(5x + 1)
=(5x-1)(5x+1)-(4x-3)(5x+1)
=(5x+1)(5x-1-4x+3)
=(5x+1)(x+2)