Question

b) Factorise : 9x2 + y2 + z2 – 6xy + 2yz – 6zx

Answer 1

Answer:

$(3x - y - z)^{2}$

HOPE IT HELPED U......

Answer 2

Answer

9x2 + y2 + z2 – 6xy + 2yz – 6zx

simplify if possible

18+ y2+z2-6xy+2yz-6zx

divide everything by GCF (2)

2(9+y+z-3xy+yz-3zx)

HOPE THIS HELPS!!!