Write as single matrix

$open square brackets table row 1 cell negative 2 end cell 3 end table close square brackets space open square brackets table row 2 cell negative 1 end cell 5 row 0 2 4 row cell negative 7 end cell 5 0 end table close square brackets minus open square brackets table row 2 cell negative 5 end cell 7 end table close square brackets$

Solution

open square brackets table row 1 cell negative 2 end cell 3 end table close square brackets space open square brackets table row 2 cell negative 1 end cell 5 row 0 2 4 row cell negative 7 end cell 5 0 end table close square brackets minus open square brackets table row 2 cell negative 5 end cell 7 end table close square brackets space space space space

= [ 2 - 0 - 21 - 1 - 4 + 15 5 - 8 + 0 ] - [2 - 5 7 ]
= [ - 19 10 - 3 ] - [ 2 - 5 7 ]
= [ - 19 -2 10+5 - 3 - 7 ]
= [ -21 15 -10]

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