## Algebra and Trigonometry 10th Edition

$(x+5)(x^{2}-5)$
Expression : $x^{3}+5x^{2}-5x-25$ =$(x^{3}+5x^{2})-(5x+25)$ (group the terms) Factor out common factors from each group. =$x^{2}(x+5)-5(x+5)$ Distributive property =$(x+5)(x^{2}-5)$