How do you factor the expression $13c^2 - 52$ ?

Question

1463 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2018-04-04T09:38:15

$color(brown)(=> 13 * (c + 2 ) * (c - 2))$

$13c^2 - 52 = 13c^2 - 13 * 4$

$=> 13 (c^2 - 4), " taking common term out"$

$color(brown)(=> 13 * (c + 2 ) * (c - 2)) " as " a^2 - b^2 = (a = b) (a - b)$

How do you factor the expression 13c^2 - 5213c^2 - 52?