How do you factor $p^2-12p-27$ ?

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Answer 1 · 2016-07-17T17:32:53

$p^2 -12p -27$ does not factorise.

$p^2 -12p + 27$ factorises to give( $(p-9)(p-3)$

$p^2 -12p -27$

Find factors of 27 which subtract to make 12.

This does not factorise.

$p^2 -12p + 27$ factorises.

Find factors of 27 which add to give 12.

$(p-9)(p-3)$

How do you factor p^2-12p-27 p^2-12p-27?