Precalculus Examples

$[\begin{array}{c} 3 & - 6 \\ - 1 & 5 \\ 4 & - 6 \end{array}] - [\begin{array}{c} - 2 & 4 \\ - 1 & - 1 \\ - 3 & 2 \end{array}]$

Step 1

Subtract the corresponding elements.

$[\begin{array}{c} 3 + 2 & - 6 - 4 \\ - 1 + 1 & 5 + 1 \\ 4 + 3 & - 6 - 2 \end{array}]$

Step 2

Simplify each element.

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Step 2.1

Add $3$ and $2$ .

$[\begin{array}{c} 5 & - 6 - 4 \\ - 1 + 1 & 5 + 1 \\ 4 + 3 & - 6 - 2 \end{array}]$

Step 2.2

Subtract $4$ from $- 6$ .

$[\begin{array}{c} 5 & - 10 \\ - 1 + 1 & 5 + 1 \\ 4 + 3 & - 6 - 2 \end{array}]$

Step 2.3

Add $- 1$ and $1$ .

$[\begin{array}{c} 5 & - 10 \\ 0 & 5 + 1 \\ 4 + 3 & - 6 - 2 \end{array}]$

Step 2.4

Add $5$ and $1$ .

$[\begin{array}{c} 5 & - 10 \\ 0 & 6 \\ 4 + 3 & - 6 - 2 \end{array}]$

Step 2.5

Add $4$ and $3$ .

$[\begin{array}{c} 5 & - 10 \\ 0 & 6 \\ 7 & - 6 - 2 \end{array}]$

Step 2.6

Subtract $2$ from $- 6$ .

$[\begin{array}{c} 5 & - 10 \\ 0 & 6 \\ 7 & - 8 \end{array}]$