## Prealgebra (7th Edition)

$25x^2+20x+4$
$(5x+2)^2\rightarrow$ rewrite as a product of polynomials =$(5x+2)(5x+2)\rightarrow$ use FOIL method =$25x^2+10x+10x+4\rightarrow$ combine like terms =$25x^2+20x+4$