Mathematics, 23.06.2019 15:30 oof1231

With out using a calculator, find all the roots of the equation. x^3+x^2+4x+4=0? a. 1,+i b. 2,3+i c. +3,1 d. -1,+2i

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With out using a calculator, find all the roots of the equation. x^3+x^2+4x+4=0? a. 1,+i b. 2,3+i...