Question 1067897

how would you factor?

25y^2+25xy+4x^2




please
<pre>{{{25y^2 + 25xy + 4x^2}}}
{{{25y^2 + 20xy + 5xy + 4x^2}}} ------- Replacing 25xy with + 20xy + 5xy
{{{(25y^2 + 20xy) (+ 5xy + 4x^2)}}} ----- Grouping terms
5y(5y + 4x) + x(5y + 4x)
{{{highlight_green((5y + x)(5y + 4x))}}}