Asked by Chelsea
Factor the polynomial as the product of factors that are irreducible over the real numbers. Then write the polynomial in completely factored form involving complex nonreal or imaginary numbers.
x^4 + 20x^2 -44=0
x^4 + 20x^2 -44=0
Answers
Answered by
Reiny
(x^2 + 22)(x^2 - 2)= 0
(x + √22i)(x - √22i)(x+√2)(x-√2) = 0
x = ± √22i or x = ± √2
(x + √22i)(x - √22i)(x+√2)(x-√2) = 0
x = ± √22i or x = ± √2
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