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$[\begin{array}{c} 1 & 0 & 0 & 0 \\ 0 & 1 & 0 & 0 \\ 0 & 0 & 1 & 0 \\ 0 & 0 & 0 & 1 \end{array}] - [\begin{array}{c} - 1 & 2 & 0 & 1 \\ 1 & 2 & 1 & 1 \\ 0 & 1 & 1 & - 1 \\ 0 & 0 & 1 & 2 \end{array}]$

خطوة 1

اطرح العناصر المتناظرة.

$[\begin{array}{c} 1 + 1 & 0 - 2 & 0 - 0 & 0 - 1 \\ 0 - 1 & 1 - 2 & 0 - 1 & 0 - 1 \\ 0 - 0 & 0 - 1 & 1 - 1 & 0 + 1 \\ 0 - 0 & 0 - 0 & 0 - 1 & 1 - 2 \end{array}]$

خطوة 2

Simplify each element.

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خطوة 2.1

أضف $1$ و $1$ .

$[\begin{array}{c} 2 & 0 - 2 & 0 - 0 & 0 - 1 \\ 0 - 1 & 1 - 2 & 0 - 1 & 0 - 1 \\ 0 - 0 & 0 - 1 & 1 - 1 & 0 + 1 \\ 0 - 0 & 0 - 0 & 0 - 1 & 1 - 2 \end{array}]$

خطوة 2.2

اطرح $2$ من $0$ .

$[\begin{array}{c} 2 & - 2 & 0 - 0 & 0 - 1 \\ 0 - 1 & 1 - 2 & 0 - 1 & 0 - 1 \\ 0 - 0 & 0 - 1 & 1 - 1 & 0 + 1 \\ 0 - 0 & 0 - 0 & 0 - 1 & 1 - 2 \end{array}]$

خطوة 2.3

اطرح $0$ من $0$ .

$[\begin{array}{c} 2 & - 2 & 0 & 0 - 1 \\ 0 - 1 & 1 - 2 & 0 - 1 & 0 - 1 \\ 0 - 0 & 0 - 1 & 1 - 1 & 0 + 1 \\ 0 - 0 & 0 - 0 & 0 - 1 & 1 - 2 \end{array}]$

خطوة 2.4

اطرح $1$ من $0$ .

$[\begin{array}{c} 2 & - 2 & 0 & - 1 \\ 0 - 1 & 1 - 2 & 0 - 1 & 0 - 1 \\ 0 - 0 & 0 - 1 & 1 - 1 & 0 + 1 \\ 0 - 0 & 0 - 0 & 0 - 1 & 1 - 2 \end{array}]$

خطوة 2.5

اطرح $1$ من $0$ .

$[\begin{array}{c} 2 & - 2 & 0 & - 1 \\ - 1 & 1 - 2 & 0 - 1 & 0 - 1 \\ 0 - 0 & 0 - 1 & 1 - 1 & 0 + 1 \\ 0 - 0 & 0 - 0 & 0 - 1 & 1 - 2 \end{array}]$

خطوة 2.6

اطرح $2$ من $1$ .

$[\begin{array}{c} 2 & - 2 & 0 & - 1 \\ - 1 & - 1 & 0 - 1 & 0 - 1 \\ 0 - 0 & 0 - 1 & 1 - 1 & 0 + 1 \\ 0 - 0 & 0 - 0 & 0 - 1 & 1 - 2 \end{array}]$

خطوة 2.7

اطرح $1$ من $0$ .

$[\begin{array}{c} 2 & - 2 & 0 & - 1 \\ - 1 & - 1 & - 1 & 0 - 1 \\ 0 - 0 & 0 - 1 & 1 - 1 & 0 + 1 \\ 0 - 0 & 0 - 0 & 0 - 1 & 1 - 2 \end{array}]$

خطوة 2.8

اطرح $1$ من $0$ .

$[\begin{array}{c} 2 & - 2 & 0 & - 1 \\ - 1 & - 1 & - 1 & - 1 \\ 0 - 0 & 0 - 1 & 1 - 1 & 0 + 1 \\ 0 - 0 & 0 - 0 & 0 - 1 & 1 - 2 \end{array}]$

خطوة 2.9

اطرح $0$ من $0$ .

$[\begin{array}{c} 2 & - 2 & 0 & - 1 \\ - 1 & - 1 & - 1 & - 1 \\ 0 & 0 - 1 & 1 - 1 & 0 + 1 \\ 0 - 0 & 0 - 0 & 0 - 1 & 1 - 2 \end{array}]$

خطوة 2.10

اطرح $1$ من $0$ .

$[\begin{array}{c} 2 & - 2 & 0 & - 1 \\ - 1 & - 1 & - 1 & - 1 \\ 0 & - 1 & 1 - 1 & 0 + 1 \\ 0 - 0 & 0 - 0 & 0 - 1 & 1 - 2 \end{array}]$

خطوة 2.11

اطرح $1$ من $1$ .

$[\begin{array}{c} 2 & - 2 & 0 & - 1 \\ - 1 & - 1 & - 1 & - 1 \\ 0 & - 1 & 0 & 0 + 1 \\ 0 - 0 & 0 - 0 & 0 - 1 & 1 - 2 \end{array}]$

خطوة 2.12

أضف $0$ و $1$ .

$[\begin{array}{c} 2 & - 2 & 0 & - 1 \\ - 1 & - 1 & - 1 & - 1 \\ 0 & - 1 & 0 & 1 \\ 0 - 0 & 0 - 0 & 0 - 1 & 1 - 2 \end{array}]$

خطوة 2.13

اطرح $0$ من $0$ .

$[\begin{array}{c} 2 & - 2 & 0 & - 1 \\ - 1 & - 1 & - 1 & - 1 \\ 0 & - 1 & 0 & 1 \\ 0 & 0 - 0 & 0 - 1 & 1 - 2 \end{array}]$

خطوة 2.14

اطرح $0$ من $0$ .

$[\begin{array}{c} 2 & - 2 & 0 & - 1 \\ - 1 & - 1 & - 1 & - 1 \\ 0 & - 1 & 0 & 1 \\ 0 & 0 & 0 - 1 & 1 - 2 \end{array}]$

خطوة 2.15

اطرح $1$ من $0$ .

$[\begin{array}{c} 2 & - 2 & 0 & - 1 \\ - 1 & - 1 & - 1 & - 1 \\ 0 & - 1 & 0 & 1 \\ 0 & 0 & - 1 & 1 - 2 \end{array}]$

خطوة 2.16

اطرح $2$ من $1$ .

$[\begin{array}{c} 2 & - 2 & 0 & - 1 \\ - 1 & - 1 & - 1 & - 1 \\ 0 & - 1 & 0 & 1 \\ 0 & 0 & - 1 & - 1 \end{array}]$