Álgebra Exemplos

$[\begin{array}{c} 9 & - 3 & 2 \\ 8 & - 1 & 0 \\ 11 & 15 & 3 \end{array}] - [\begin{array}{c} 1 & 0 & 1 \\ - 3 & 9 & - 7 \\ - 20 & 2 & 4 \end{array}]$

Etapa 1

Subtraia os elementos correspondentes.

$[\begin{array}{c} 9 - 1 & - 3 - 0 & 2 - 1 \\ 8 + 3 & - 1 - 9 & 0 + 7 \\ 11 + 20 & 15 - 2 & 3 - 4 \end{array}]$

Etapa 2

Simplifique cada elemento.

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Etapa 2.1

Subtraia $1$ de $9$ .

$[\begin{array}{c} 8 & - 3 - 0 & 2 - 1 \\ 8 + 3 & - 1 - 9 & 0 + 7 \\ 11 + 20 & 15 - 2 & 3 - 4 \end{array}]$

Etapa 2.2

Subtraia $0$ de $- 3$ .

$[\begin{array}{c} 8 & - 3 & 2 - 1 \\ 8 + 3 & - 1 - 9 & 0 + 7 \\ 11 + 20 & 15 - 2 & 3 - 4 \end{array}]$

Etapa 2.3

Subtraia $1$ de $2$ .

$[\begin{array}{c} 8 & - 3 & 1 \\ 8 + 3 & - 1 - 9 & 0 + 7 \\ 11 + 20 & 15 - 2 & 3 - 4 \end{array}]$

Etapa 2.4

Some $8$ e $3$ .

$[\begin{array}{c} 8 & - 3 & 1 \\ 11 & - 1 - 9 & 0 + 7 \\ 11 + 20 & 15 - 2 & 3 - 4 \end{array}]$

Etapa 2.5

Subtraia $9$ de $- 1$ .

$[\begin{array}{c} 8 & - 3 & 1 \\ 11 & - 10 & 0 + 7 \\ 11 + 20 & 15 - 2 & 3 - 4 \end{array}]$

Etapa 2.6

Some $0$ e $7$ .

$[\begin{array}{c} 8 & - 3 & 1 \\ 11 & - 10 & 7 \\ 11 + 20 & 15 - 2 & 3 - 4 \end{array}]$

Etapa 2.7

Some $11$ e $20$ .

$[\begin{array}{c} 8 & - 3 & 1 \\ 11 & - 10 & 7 \\ 31 & 15 - 2 & 3 - 4 \end{array}]$

Etapa 2.8

Subtraia $2$ de $15$ .

$[\begin{array}{c} 8 & - 3 & 1 \\ 11 & - 10 & 7 \\ 31 & 13 & 3 - 4 \end{array}]$

Etapa 2.9

Subtraia $4$ de $3$ .

$[\begin{array}{c} 8 & - 3 & 1 \\ 11 & - 10 & 7 \\ 31 & 13 & - 1 \end{array}]$