Question 25056
Factor:
{{{y^2 + 49 + 14y}}} Rearrange the terms.
{{{y^2 + 14y + 49}}} Factor. You'll be looking for two integers whose sum is 14 and whose product is 49. 

7 + 7 = 14
7 X 7 = 49

The factors are:

{{{(y + 7)(y + 7) = (y + 7)^2}}}