\"\"

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The given equation is \"\".

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Replace b in \"\"

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Choose a starting value using mental math.

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\"\" and \"\"so 1 is too low and 10 is too high.

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Then b lies between 1 and 10

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a

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                 \"\" 

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Values of \"\"

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       -2 \ \

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\"\"

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        12 \ \

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       0 \ \

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\"\"

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         6 \ \

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       2 \ \

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\"\"

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       - 6 \ \

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Since b = - 2 makes the equation is equals  \"\" is - 2. \ \ \"\"

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The solution set is - 2.