Evaluate: -Variable.H1_{o}sn-

Expression: $x^{3}+3x^{2}-25x-75$

Factor out common term $x+3$

$=(x+3)(x^{2}-25)$

Factor $x^{2}-25:{\quad}(x+5)(x-5)$

$=(x+3)(x+5)(x-5)$