Question

Which are real zeroes of this function? x3 + 2x2 – 9x – 18

Answer 1

The real zeroes of this function
`x^(3) +2 x^(2) -9x-18` are: -2,-3 and +3

By hit and trial method, we find that x = -2 will the root of this polynomial.

We do the factorisation of the given polynomial:

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