Sum
Factorise.
p2 − 7p − 44
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Solution
\[\ p^2 - 7p - 44\]
\[ = p^2 - 11p + 4p - 44\]
\[ = p\left( p - 11 \right) + 4\left( p - 11 \right)\]
\[ = \left( p + 4 \right) \left( p - 11 \right)\]
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