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Mathematics, 06.10.2020 15:01 cdavis379

Without using a calculator, find all the roots of the equation. x^4 - 4x + x^2 + 12x-12 = 0
A. -2, 2 ± √3
B. 2, ± √3
C. -3,-2,1
D. -1,2,3 NEED HELP ASAP PLEASEE

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Without using a calculator, find all the roots of the equation. x^4 - 4x + x^2 + 12x-12 = 0
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