Question

What are the zeros of the polynomial function`f(x)=(x-3)(x-3)(x+5)`?

Answer 1

`x=-5,x=3" multiplicity 2"`

Explanation:

`"to obtain the zeros set "f(x)=0`

`(x-3)^2(x+5)=0`

`"equate each factor to zero and solve for "x`

`x+5=0rArrx=-5`

`(x-3)^2=0rArrx=3" multiplicity 2"`