Question

expansion of (3x-2y-z)square​

Answer 1

Answer:

Step-by-step explanation:

Formula for (a+b+c)square is= (a)square+(b)square+(c)square+2ab+2bc+2ca

Here, (3x-2y-z)square= (3x)square+(-2y)square+(-z)square+2(3x)(-2y)+2(-2y)(-z)+2(-z)(3x)

=9xsquare+4ysquare+zsquare-12xy+4yz-6xz

Hope this helped!