Question

Help anyone???

Evaluate the expression for the given value of the variable(s)

|-4b-8| + |-1-b^2| + 2b^3 ; b=-2

Answer 1

|b^2 + 1| + 4|b+2|+ 2 b^3= -11

Answer 2

substitute b=-2 in the equaton
make it positive whereever there is mod

Answer 3

Okay, I get it, can you help with one more?

Answer 4

Solve the equation and check for extraneous solutions.

9|9-8x| = 2x+3

Answer 5

we get two values of x i guess

Answer 6

I don't understand