jonathanpuncher01
jonathanpuncher01 jonathanpuncher01
  • 10-09-2020
  • Mathematics
contestada

Help please solve by factoring

Help please solve by factoring class=

Respuesta :

jensenaldrich01
jensenaldrich01 jensenaldrich01
  • 11-09-2020

We know that 6x(-7) is -42 and we also know that 6+(-7) is -1.

So we can write

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

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

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

So our solutions are [tex]x=7,-6[/tex]

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