Question

factorize a^3 - 144a
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Answer 1

Answer:

${a}^{3} - 144a = a(a - 12)(a + 12).$

Step-by-step explanation:

${a}^{3} - 144a = a( {a}^{2} - 144) \\ \\ = a( {a}^{2} - {12}^{2} ) \\ \\ = a(a - 12)(a + 12).$