SOLUTION
Write out the equation given
The zeros of the polynomial is obtain by equating the polynomial to zero.
Hence
Equate each product to zero, we have
The zeros of the polynomial are
The zeros of the polynomials is 0 and 3
the multiplicity of multiple zeros is the number of times the zeros of the polynomial occur which is obtain from the degree of each terms in the polynomial.
Hence
Then
x =0 has the multiplicity of 2
For
x = 3 has a multiplicity of 3