Factorise x6+5 x3+ 8
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x6+5x3+8
(x2)3+5x3+(2)3
(a+b+c)(a2+b2+c2-ab-bc-ca)+3abc
a=x2
b=5x
c=2
(x2+5x+2)(x2+25x2+4-5x3-10x-2x2)+45x3
(x2+5x+2)(-5x3+24x2-10x+4)+45x2
(x2)3+5x3+(2)3
(a+b+c)(a2+b2+c2-ab-bc-ca)+3abc
a=x2
b=5x
c=2
(x2+5x+2)(x2+25x2+4-5x3-10x-2x2)+45x3
(x2+5x+2)(-5x3+24x2-10x+4)+45x2
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