SOLUTION: Am I doing these right? Simplify (x - 8)(x+5) I have x^-3x - 40 (d-2b)(d+4b) I have d^+2db - 8b^

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Question 37834: Am I doing these right?
Simplify
(x - 8)(x+5) I have x^-3x - 40
(d-2b)(d+4b) I have d^+2db - 8b^
Answer by fractalier(2101) About Me  (Show Source):
You can put this solution on YOUR website!
First one should be x^2 - 3x - 40.
Second one should be d^2 + 2bd - 8b^2.