Question

expand the following
(x - 2y - 3z )²​

Answer 1

Answer:

Hope it will help you

Step-by-step explanation:

(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

$thanx$