Question

which of the following describes the zeros of The graph of f(x)=3x^6+30x^5+75x^4?

Answer 1

Factor 3x^4( x^2 +10x+25) 

3x^4(x+5)(x+5)

set the factors = to 0

3x^4=0 x=0 with a multiplicity of 4  x+5=0 x=-5 with a multiplicity of 2

x=-5, x=0 use