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OpenStudy (anonymous):
Help anyone??? Evaluate the expression for the given value of the variable(s) |-4b-8| + |-1-b^2| + 2b^3 ; b=-2
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OpenStudy (lieutenantgeneral):
|b^2 + 1| + 4|b+2|+ 2 b^3= -11
OpenStudy (anonymous):
substitute b=-2 in the equaton make it positive whereever there is mod
OpenStudy (anonymous):
Okay, I get it, can you help with one more?
OpenStudy (anonymous):
Solve the equation and check for extraneous solutions. 9|9-8x| = 2x+3
OpenStudy (anonymous):
we get two values of x i guess
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OpenStudy (anonymous):
I don't understand
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