Sagot :
Réponse:
[tex]a = (x + 1)(5 + x)[/tex]
[tex]b = (x - 1)(2x + 3 + 5x - 2)[/tex]
[tex]b = (x - 1)(7x + 1)[/tex]
[tex]c = (2x - 5)(4x - 3 - (3x - 1))[/tex]
[tex]c = (2x - 5)(4x - 3 - 3x + 1)[/tex]
[tex]c = (2x - 5)(1x - 2)[/tex]
Réponse:
[tex]a = (x + 1)(5 + x)[/tex]
[tex]b = (x - 1)(2x + 3 + 5x - 2)[/tex]
[tex]b = (x - 1)(7x + 1)[/tex]
[tex]c = (2x - 5)(4x - 3 - (3x - 1))[/tex]
[tex]c = (2x - 5)(4x - 3 - 3x + 1)[/tex]
[tex]c = (2x - 5)(1x - 2)[/tex]