Factorize: (2x+3y)2−12x−18y−7
The equation of the plane containing the line 2x - 5y + z =3, x + y + 4z = 5 and parallel to the plane x + 3y + 6z =1 is
Factorize the given expression:
9(2x−3y)2−12(2x−3y)(2x+3y)+4(2x+3y)2