Question

Factorise x square + 4y square + 9z square + 4xy - 12yz - 6xz using identity please very fast

Answer 1

Step-by-step explanation:

x²+4y²+9z²+4xy-12yz-6xz

using the identity (x+y+z)²=x²+y²+z²-2xy-2yz-2xz

by comparing:

x=-x

y=2y

z=3z