Question

2/x square -32x +1/21 factorise​

Answer 1

Step-by-step explanation:

$= \frac{2} {{x}^{2} } - 32x + \frac{1}{21} \\ = \frac{42 - 672 {x}^{3} + {x}^{2} }{21 {x}^{2} } \\ = ( \frac{1}{21 {x}^{2} }) \times (42 - 672 {x}^{3} + {x}^{2} ) \\ = (\frac{1}{21} )( \frac{1}{ {x}^{2} } )(42 - 672 {x}^{3} + {x}^{2} )$

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