Question

Resolvevinto factor
x²(3z-2y)+4y²(x+3z)+9z²(x-2y)-12xyz

Answer 1

Let,
x=a,-2y=b,3z=c
.°. x²(3z-2y)+4y²(x+3z)+9z²(x-2y)-12xyz
= a²(b+c)+b²(c+a)+c²(a+b)+2abc
= (b+c)(c+a)(a+b)
=(3z-2y)(3z+z)(x-2y)
( putting the value of a, b, c )
finished