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Factor the sum of cubes: $a^3+b^3 = (a+b)(a^2-ab+b^2)$
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$\frac{\left(x+3\right)\left(x^2-3x+9\right)}{x+3}$
Learn how to solve factor problems step by step online. Factor the expression (x^3+27)/(x+3). Factor the sum of cubes: a^3+b^3 = (a+b)(a^2-ab+b^2). Simplify the fraction \frac{\left(x+3\right)\left(x^2-3x+9\right)}{x+3} by x+3. Add and subtract \displaystyle\left(\frac{b}{2a}\right)^2. Factor the perfect square trinomial x^2+-3x+\frac{9}{4}.