27x3y3-18x2y3+75x3y3 factorise
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Step-by-step explanation:
27−x
3
y
3
+6−2xy
=(3)
3
−(xy)
3
+2(3−xy)
=(3−xy)(3
2
+3(xy)+(xy)
2
)+2(3−xy)
=(3−xy)[9+3xy+x
2
y
2
+2]
=(3−xy)[11+3xy+x
2
y
2
]
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