Elwira
Elwira Elwira
  • 05-02-2021
  • Mathematics
contestada

Can someone please help me with this expanding brackets problem ? Quick ! I will give 20 points :)

Can someone please help me with this expanding brackets problem Quick I will give 20 points class=

Respuesta :

cguer cguer
  • 05-02-2021

Step-by-step explanation:

[tex](x + 1)(x - 6)(x + 7)[/tex]

[tex] {x}^{2} - 6x + x - 6(x + 7)[/tex]

[tex] {x}^{3} + 7x - 6 {x}^{2} - 42x + {x}^{2} + 7x - 42[/tex]

[tex] {x}^{3} - 5x {}^{2} - 35x - 42[/tex]

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