The equation that has the possible values of b is b² = 4.
The equation that has the possible value of b as -2 and 2 are as follows;
b² = 4
-2² = 4 and 2² = 4 (This is true)
b³ = 8
-2³ = -8 and 2³ = 8(This is false)
Therefore, the equation that has the possible values of b is b² = 4.
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