find all the real zeros. use the zeros to factor the polynomial function f(x)= x^4 + x^2 - 2

Answer 1

f(x) = x⁴ + x² - 2

f(x) = (x² + 2)(x² - 1)

f(x) = (x² + 2)(x + 1)(x - 1)

Can you now use the product rule and answer?