Question

Factorise the expression c2 – 18c + 65

Answer 1

Answer:

$= {c}^{2} - 18c + 65$

$= {c}^{2} - 13c - 5c + 65$

$= c(c - 13) - 5(c - 13)$

$= (c - 13)(c - 5)$

Step-by-step explanation:

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