Finite Math Examples

Find the Determinant of the Resulting Matrix [[a+2,9z+1,12m],[8k,2,0]]+[[12a,10z,3m],[9k,5,5]]+[[28,-37,150],[34,7,5]]
Step 1
Add the corresponding elements.
Step 2
Simplify each element.
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Add and .
Add and .
Add and .
Add and .
Add and .
Add and .
Step 3
Add the corresponding elements.
Step 4
Simplify each element.
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Add and .
Subtract from .
Add and .
Add and .