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Evaluate the expression for the given value of the variable.
∣∣−4b − 8∣∣ + ∣∣−1 − b2∣∣ + 2b3
; b = −2
To evaluate the expression with b = -2, simply substitute -2 in place of b in the expression and solve.
|(-4(-2) - 8)| + |(-1 - (-2)^2)| + 2(-2)^3
|(8 - 8)| + |(-1 - 4)| + 2(-8)
|0| + |-5| - 16
0 + 5 - 16
5 - 16
-11
Therefore, the value of the expression when b = -2 is -11.