The given equation is:
The equation is a sum of two(2) cubes which can be further simplified to be:
i) Hence, a=x and b=4
Factorization of sum of two(2) cubes is given by the equation;
Relating this to the given equation, we have:
ii) Hence, the factor completely is:
iii) To find the real root,we have;
Hence, the real root is x = -4