Question

Factorise:
x2 + 6xy +9y2 + x + 3y​

Answer 1

$x^2 + 6xy + 9y^2 + x + 3 y\\\\(a+b)^2 = a^2+b^2 + 2ab\\\\a = x \ , b = 3y\\\\(x + 3y)^2 + x + 3y\\\\(x+3y)(x+3y)(x+3y)\\\\(x + 3y) (x + 3y + 1)\\\\hope \ it \ helps \ !!$