# Chapter 5 - Section 5.5 - Factoring Special Forms - Exercise Set: 76

$(x+1)(x^2-x+1)$

#### Work Step by Step

The given binomial can be written as: $x^3+1^3$ This binomial is a sum of two cubes. RECALL: $a^3+b^3=(a+b)(a^2-ab+b^2)$ Factor the sum of two cubes using the formula above with $a=x$ and $b=1$ to obtain: $=(x+1)(x^2-x(1)+1^2) \\=(x+1)(x^2-x+1)$

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