Question

(X+2y-3z)² expand this question​

Answer 1

Answer:

brainliest answer is here

Answer 2

Answer:

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

Explanation:

using (a+b-c)^2 = a^2+b^2+c^2+2ab-2ac-2bc

(x+2y-3z)^2

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