Question

Find the zeros of f(x), and state the multiplicity of each zero. x^4+21x^2−100

Answer 1

its an equation that can be reduced to a quadratic by writing it as

\[(x^2)^2 + 21(x^2) - 100 = 0\]

find the factors of -100 that add to 21.... the larger factor is positive.

hope this helps