How do you factor #5z^2+10z#?

1 Answer
Jun 9, 2016

Answer:

#5z^2+10z=color(green)(5z(z+2))#

Explanation:

The constant parts of the terms: #5# and #10# have an obvious common factor of #5#.
The variable parts of the terms: #z^2# and #10z# have an obvious common factor of #z#.

Therefore #5z# can be extracted as a common factor of the two terms.