Question

x^4-9
How can we get the factors??

Answer 1

Answer:

x^4 - 9 = 0

Using a^2 - b^2 formula = (a + b) (a - b)

(x^2 - 3) (x^2 + 3) = 0

(x^2 - 3) = 0

x = √3

x = 1.732

HOPE THAT IT WAS HELPFUL!!!!

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Answer 2

Answer:

$(x^{2} -3)(x^{2} +3)$