👤

Sagot :

Bonjour

(x + 7) (x + 3)

= x² + 3x + 7x + 21

= x² + 10x + 21

(x - 5) (x - 2)

= x² - 2x - 5x + 10

= x² - 7x + 10

(2x + 1) (x - 4)

= 2x² - 8x + x - 4

= 2x² - 7x - 4

(x - 3) (3x - 2)

= 3x² - 2x - 9x + 6

= 3x² - 11x + 6.

© 2024 IDNLearn. All rights reserved.