Question

(x+2y-3z)^2 expand it​

Answer 1

Answer:

(x-2y-3z)²

=[(x)-(2y+3z)]²

=x²-2x(2y+3z)+(2y+3z)²

=x²-4xy-6xz+4y²+2.2y.3z+9z²

=x²+4y²+9z²-4xy-6xz+12yz

Answer 2

Answer:

Step-by-step explanation:

=(X+2y-3z)(x+2y-3z)

=X^2+4y^2+9z^2+4xy-6xz-12yz