A= 5-2(3x+7) B=(x-7)(3x+2) C=3(4x+5)-(5x+9)(2x-3)
Mathématiques
silviemathematique
Question
A= 5-2(3x+7)
B=(x-7)(3x+2)
C=3(4x+5)-(5x+9)(2x-3)
B=(x-7)(3x+2)
C=3(4x+5)-(5x+9)(2x-3)
1 Réponse
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1. Réponse luwan
A= 5 - 6x -14A= -9 -6x
B= 3x² +2x -21x -14
B= 3x² -19x -14
C=12x +15 -(10x² -15x +18x -18)
C = 12x +15 -10x² +15x -18x +18
C= -10x² +9x + 33