Math, asked by Topper2305, 3 months ago

Factorise the following equations
z3- 81z

Answers

Answered by madhulika7

0

Answer:

${z}^{3} - 81z \\ = z( {z}^{2} - 81) \\ = z( {z}^{2} - {9}^{2} ) \\ = z(z + 9)(z - 9)$

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