SOLUTION: I need help with this problem thanks! Compute the following product. [ -9 -1 -2] [-7 -1] = [-8 1 -3 ] [10 -1] = [-9 5 -7] [10 3] =
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Question 255242
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I need help with this problem thanks!
Compute the following product.
[ -9 -1 -2] [-7 -1] =
[-8 1 -3 ] [10 -1] =
[-9 5 -7] [10 3] =
Answer by
jmorgan22(8)
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[-9-1-2][-7-1]
Subtract 1 from -9 to get -10.
[-10-2][-7-1]
Subtract 2 from -10 to get -12.
[-12][-7-1]
Subtract 1 from -7 to get -8.
[-12][-8]
Multiply -12 by -8 to get 96.
[96]
Remove the parentheses around the expression.
96
___________________________________________
[-8+1-3][10-1]
Add 1 to -8 to get -7.
[-7-3][10-1]
Subtract 3 from -7 to get -10.
[-10][10-1]
Subtract 1 from 10 to get 9.
[-10][9]
Multiply -10 by 9 to get -90.
[-90]
Remove the parentheses around the expression -90.
__________________________________________________
[-9+5-7][103]
Add 5 to -9 to get -4.
[-4-7][103]
Subtract 7 from -4 to get -11.
[-11][103]
Multiply -11 by 103 to get -1133.
[-1133]
Remove the parentheses around the expression -1133.
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