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

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