Question

x^2+12xy+36y^2

Answer 1

do you need to factor it?

Answer 2

Yes.

Answer 3

x^2+12xy+36y^2
= (x)² + 2(x)(6y) + (6y)²

using the identity a² + 2ab b² = (a + b)², we get
= (x + 6y)²
= (x + 6y)(x + 6y)

x^2+12xy+36y^2 = (x + 6y)(x + 6y)