Question 105916
Factor by grouping:
{{{7x^2+7xy+4x+4y}}} Group the terms as shown below:
{{{(7x^2+7xy)+(4x+4y)}}} Now factor 7x from the 1st group and 4 from the 2nd group.
{{{7x(x+y)+4(x+y)}}} Finally, factor the common factor (x+y)
{{{(x+y)(7x+4)}}}...and there it is!