Sagot :
Réponse:
[tex] - 7(x + 2) = - 7x - 14 \\ - 7(2 - x) = 7x - 14 \\ - 7x(x + 2) = - 7 {x}^{2} - 14x \\ - 7x(x - 2) = - 7 {x}^{2} + 14x \\ - 7(2x - 2) = - 14x + 14[/tex]
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hope it helps
Bonjour
- 7 (x + 2) = - 14x - 14
- 7 (2 - x ) = - 14 + 7x
- 7x (x + 2) = - 7x² - 14x
- 7x (x - 2) = - 7x²+ 14x
- 7 (2x - 2) = - 14x + 14.