factorise the above please and please do check the previous questions I asked about an hour ago and still haven't got an answer. It is of the same chapter maths
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Step-by-step explanation:
Substitute x^3 as another variable (say p)
Then the equation is p^2 +4p -1
Solve this by the quadrilateral method.
Take the cube root of obtained p to get the value of x.
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