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22 January, 02:19

For what value of b in the equation (2z + b) (z - 3) = 0 will a solution for z be - 4?

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  1. 22 January, 03:51
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    ( - 8 + b) ( - 4 - 3) = 0;

    ( - 8 + b) ( - 7) = 0;

    -8 + b = 0;

    b = 8.
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