Question #99b81

1 Answer
Yiu A.
Dec 6, 2017

#(2x-1)(4x^2+2x+1)#

Explanation:

We can see the form of this question is #a^3-b^3#
and #a^3-b^3=(a-b)(a^2+ab+b^2)#.

We can simply follow this and factor #8x^3-1#.

#8x^3-1#
#=(2x)^3-(1)^3#
#=(2x-1)[(2x)^2+(2x)(1)+(1)^2]#
#=(2x-1)(4x^2+2x+1)#

Here is the answer :)

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