D= (x - 5) (2x + 2) - ( x - 1 ) (2x - 3 )
Mathématiques
valentin8936
Question
D= (x - 5) (2x + 2) - ( x - 1 ) (2x - 3 )
2 Réponse
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1. Réponse Jozewar95
D= (x - 5) (2x + 2) - ( x - 1 ) (2x - 3 )
D=2[tex] x^{2} [/tex]+2x-10x-10-2[tex] x^{2} [/tex]+3x+2x-3
D=-3x-13 -
2. Réponse mounia7519
D= (x - 5) (2x + 2) - ( x - 1 ) (2x - 3 )
D= 2x² + 2x - 10x -10 - ( x - 1 ) (2x - 3 )
D= 2x² - 8x -10 - ( x - 1 ) (2x - 3 )
D= 2x² - 8x -10 - ( 2x² - 3x - 2x + 3 )
D= 2x² - 8x -10 - 2x² + 3x + 2x - 3
D= - 3x - 13