Question 66210
<pre><font size = 6><b>Factor the expression completely:

 5x²+10x+30

The greatest common factor of the 
5, 20, and 30 coefficients is 5.

5(x² + 2x + 6)

This will not factor further because
there are no two positive integers
which have a product of 6 and a sum of 2.

Edwin</pre>