Réponse:
b )
( 5x - 2 ) × ( x + 7 )
5x × x + 5x × 7 - 2x - 2 × 7
5x² + 35x - 2x - 14
rep : 5x² + 33x - 14
c )
3( 4x - 3 ) × ( 5x - 2 )
( 12x - 9 ) × ( 5x - 2 )
60x² - 24x - 45x + 18
rep : 60x² - 69x + 18
Copyright © 2024 ELIBRARY.TIPS - All rights reserved.
Lista de comentários
Réponse:
b )
( 5x - 2 ) × ( x + 7 )
5x × x + 5x × 7 - 2x - 2 × 7
5x² + 35x - 2x - 14
rep : 5x² + 33x - 14
c )
3( 4x - 3 ) × ( 5x - 2 )
( 12x - 9 ) × ( 5x - 2 )
60x² - 24x - 45x + 18
rep : 60x² - 69x + 18