Help.
l -4b - 8 l + l -1 - b2 l + 2b3, b = -2
So we have
l -4 (-2) - 8 l + [ -1 - (-2)2 l + 2 (-2)3 =
l 8 - 8 l + l -1 - 4 l + 2 (-8) =
l 0 l + l -5 l - 16 =
0 + 5 - 16 =
5 - 16
-11
CORRECTED ANSWER !!!!!
Thank you!!
CPhill: The expression begins with - 4b not +4b. The answer should be = -11.
Thanks...I have made the correction!!!!!
Thanks!!