Can somebody really me with these kinds of questions

To add two matrices, we just add the numbers in the matching positions:
[1]+[-2]=[-1]
[-4]+[6]=[2]
[3]+[-2]=[1]
[5]+[4]=[9]
So, this leaves us with the final matrix of
[-1 2]
[1 9]

Ireally wish i can my h

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