Question

factorise x²+4y²++9z²-4xy+12yz-6zx​

Answer 1

Answer:

x2 +4y2+9z2-4xy+12yz-6zx

=(x)2+(2y)2+(3z)2 -2*x*2y+2*4y*3z-2*3z*x

=(-x+2y+3z)2

=(-x+2y+3z)(-x+2y+3z)

Answer 2

Answer:

(3z+x-2y)(3z-x+2y)

Step-by-step explanation:

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