jscissom jscissom

08-02-2018
Mathematics

contestada

a 2 - a - 20 help me out please

Respuesta :

08-02-2018

Hey there,

By using the [tex]AC[/tex] method . . .

[tex] x^{2} +bx+c[/tex]

We do [tex] (a^{2} -a-20)[/tex] using the
[tex]AC[/tex] method, and from this, our
answer would give us . . .

[tex](a-5) \ (a+4)[/tex]

Hope this helps.
~Jurgen

Answer Link

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