Factor
k\left(5k-1\right)\left(5k+1\right)
Evaluate
k\left(25k^{2}-1\right)
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k\left(25k^{2}-1\right)
Factor out k.
\left(5k-1\right)\left(5k+1\right)
Consider 25k^{2}-1. Rewrite 25k^{2}-1 as \left(5k\right)^{2}-1^{2}. The difference of squares can be factored using the rule: a^{2}-b^{2}=\left(a-b\right)\left(a+b\right).
k\left(5k-1\right)\left(5k+1\right)
Rewrite the complete factored expression.
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