3 years ago

I don't understand what it's asking me to do. I don't know the system.

Mathematics

1 answer:

Minchanka [31]3 years ago

5 0

$r^2+10r-24=\\
r^2-2r+12r-24=\\
r(r-2)+12(r-2)=\\
(r-2)(r+12)$

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