Factorise :
17a6b8−34a4b6+51a2b4
17a6b8−34a4b6+51a2b4=17a2b4(a4b4−2a2b2+3)
Factorise: 27x3+y3+z3−9xyz
2x3b2−4x5b4
Factorise:54x6y+2x3y4
Factorise: 1+64x³