Question

factorise the following expression x³-25x​

Answer 1

Answer:

x(x²-5)=0 where x=0,√5

Answer 2

${x}^{3} - 25x \\ = x( {x}^{2} - 25) \\ = x( {x}^{2} - {5}^{2} ) \\ = x(x + 5)(x - 5)$
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