How do you find the zeros of the polynomial function with equation #f(x) = x^3 +7x^2 - 4x - 28#?
According to the Factor Theorem if
they must be factors of
The possible factors are therefore
Testing these factors:
we find three zeros (as given in the "Answer" above.
Since the given expression is of degree 3 and we have 3 zeros, these 3 zeros represent all possible solutions.