How do you factor $c^2+17cd+70d^2$ ?

Question

1156 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2016-06-18T05:56:57

$(c+10d)(c+7d)$

you can transform the trynomial in this way:

$c^2+17cd+70d^2=c^2+10cd+7cd+70d^2$

and factor in two steps:

$c(c+10d)+7d(c+10d)$

$(c+10d)(c+7d)$

How do you factor c^2+17cd+70d^2c^2+17cd+70d^2?