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23 January, 03:48

What are the solutions of the equation x4 + 3x2 + 2 = 0? Use u substitution to solve.

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  1. 23 January, 07:11
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    4x + (3x2) + 2=0

    (3x2) + 2 = 8

    Subtract 8 on both sides of equation.

    4x = - 8

    Divide by 4 on both sides and your answer will be: x = - 2
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