Quadratic
(r+2)2
r2+4r+4
a3/b3+1/a3
15n2 −27n−6
(b+c)(b-c)
b2-c2
b2 +8b+7
(b+1)(b+7)
(6f+g)2
36f2+12fg+g2
64j3+27l3
(4j+3l)(16j2-12jl+9l2)
5x2 −18x+9
(5x-3)(x-3)
z2-32
(z-3)(z+3)
n2 −11n+10
(n-10)(n-1)
(9nl-1)2
81n2l2-18nl+1
a6-b6
(a2-b2)(a4+a2b2+b4)
4n2 −15n−25
(4n+5)(n-5)
16-v2
(4-v)(4+v)
m2 +m−90
(m+10)(m-9)