Question

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

Answer 1

Explanation:

Answer 2

-11

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