7.3 Special Factoring

Difference of Squares

x^2-y^2=(x+y)(x-y)


Perfect Square Trinomials
x^2+2xy+y^2=(x+y)^2
x^2-2xy+y^2=(x-y)^2

Difference of Cubes
x^3-y^3=(x-y)(x^2+xy+y^2)