Evaluate the expression for the given value of the variable.

∣-4b-8∣+∣-1-b^2 ∣+2b^3; b=-2

Question

Mathematics

Jennifer Davila

29 January, 17:57

Evaluate the expression for the given value of the variable.

∣-4b-8∣+∣-1-b^2 ∣+2b^3; b=-2

+1

Answers (1)

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Bellbottoms · Answer 1

-11

Step-by-step explanation:

let A = ∣-4b-8∣+∣-1-b² ∣+2b^3

if b = - 2 : A = ∣-4 (-2) - 8∣+∣-1 - (-2) ² ∣+2 (-2) ^3

A = ∣8-8∣ + ∣-1-4 ∣ + 2 (-8)

A = 0 + ∣-5 ∣ - 16 = 5 - 16 = - 11

Evaluate the expression for the given value of the variable.∣-4b-8∣+∣-1-b^2 ∣+2b^3; b=-2

Evaluate the expression for the given value of the variable.

∣-4b-8∣+∣-1-b^2 ∣+2b^3; b=-2