How do you find all the zeros of #F(x) = x^4 - 16x^2#?

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Answer 1 · 2016-02-27T13:01:17

Zeros: 0 multiplicity 2, ±4

#[1]" "f(x)=x^4-16x^2#

Factor.

#[2]" "f(x)=x*x*(x^2-16)#

#[3]" "f(x)=x*x*(x+4)*(x-4)#

Find all values of #x# that will make #f(x)# zero.

Zeros: 0 multiplicity 2, -4, 4