Solve the problem.Evaluate  by expanding down the third column. Show all your work.A = 

What will be an ideal response?


Answers may vary. One possible solution follows.
 = -2 - 5 - 2
 = -2(-20 + 10) - 5(-25 - 8) - 2(-25 - 16)
 = -2(-10) - 5(-33) - 2(-41) = 267

Mathematics

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Mathematics