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MARI22
Answered

Soit E(x)= (2x-3) - (2x-3)(x+1) 1) DEVELOPPER E(x) 2) FACTORISER E(x) SVP AIDEZ MOI JAI UN DM POUR DEMAIN

Sagot :

MISSPERLINE

1)  (2x-3) - (2x-3)(x+1) =  2x-3 - 2x² + 2x - 3x - 3 = 2x²+ 1x - 6

2)  (2x-3) - (2x-3)(x+1) = ?

FABRICE

E(x)= (2x-3) - (2x-3)(x+1)

= 2x - 3  -[ 2x² + 2x - 3x - 3]

= 2x - 3  - 2x² - 2x + 3x + 3

= - 2x² + 3x

 

E(x)= (2x-3) - (2x-3)(x+1)

= - 2x² + 3x

= x(-2x + 3)

 

en espérant t'avoir aidé.

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