Question

x
$x3 - 125$
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Answer 1

Explanation:

$25 \: taking \: as \: base \\ a {}^{3 } - b {}^{3} = (a - b) \: (a {}^{2} + \: ab \: + \: b {}^{3}) \\ x {}^{3} - 125 \: = x {}^{3} - 5 {}^{3} \\ (x \: - 5) \: (x {}^{2} + 5x + 25x)$