Algebra Examples

$\frac{1}{2} [\begin{array}{c} 6 & 12 \\ 4 & 24 \end{array}] - \frac{1}{4} [\begin{array}{c} 8 & 16 \\ 0 & 44 \end{array}]$

Step 1

Simplify each term.

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Step 1.1

Multiply $\frac{1}{2}$ by each element of the matrix.

$[\begin{array}{c} \frac{1}{2} \cdot 6 & \frac{1}{2} \cdot 12 \\ \frac{1}{2} \cdot 4 & \frac{1}{2} \cdot 24 \end{array}] - \frac{1}{4} [\begin{array}{c} 8 & 16 \\ 0 & 44 \end{array}]$

Step 1.2

Simplify each element in the matrix.

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Step 1.2.1

Cancel the common factor of $2$ .

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Step 1.2.1.1

Factor $2$ out of $6$ .

$[\begin{array}{c} \frac{1}{2} \cdot (2 (3)) & \frac{1}{2} \cdot 12 \\ \frac{1}{2} \cdot 4 & \frac{1}{2} \cdot 24 \end{array}] - \frac{1}{4} [\begin{array}{c} 8 & 16 \\ 0 & 44 \end{array}]$

Step 1.2.1.2

Cancel the common factor.

$[\begin{array}{c} \frac{1}{2} \cdot (2 \cdot 3) & \frac{1}{2} \cdot 12 \\ \frac{1}{2} \cdot 4 & \frac{1}{2} \cdot 24 \end{array}] - \frac{1}{4} [\begin{array}{c} 8 & 16 \\ 0 & 44 \end{array}]$

Step 1.2.1.3

Rewrite the expression.

$[\begin{array}{c} 3 & \frac{1}{2} \cdot 12 \\ \frac{1}{2} \cdot 4 & \frac{1}{2} \cdot 24 \end{array}] - \frac{1}{4} [\begin{array}{c} 8 & 16 \\ 0 & 44 \end{array}]$

Step 1.2.2

Cancel the common factor of $2$ .

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Step 1.2.2.1

Factor $2$ out of $12$ .

$[\begin{array}{c} 3 & \frac{1}{2} \cdot (2 (6)) \\ \frac{1}{2} \cdot 4 & \frac{1}{2} \cdot 24 \end{array}] - \frac{1}{4} [\begin{array}{c} 8 & 16 \\ 0 & 44 \end{array}]$

Step 1.2.2.2

Cancel the common factor.

$[\begin{array}{c} 3 & \frac{1}{2} \cdot (2 \cdot 6) \\ \frac{1}{2} \cdot 4 & \frac{1}{2} \cdot 24 \end{array}] - \frac{1}{4} [\begin{array}{c} 8 & 16 \\ 0 & 44 \end{array}]$

Step 1.2.2.3

Rewrite the expression.

$[\begin{array}{c} 3 & 6 \\ \frac{1}{2} \cdot 4 & \frac{1}{2} \cdot 24 \end{array}] - \frac{1}{4} [\begin{array}{c} 8 & 16 \\ 0 & 44 \end{array}]$

Step 1.2.3

Cancel the common factor of $2$ .

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Step 1.2.3.1

Factor $2$ out of $4$ .

$[\begin{array}{c} 3 & 6 \\ \frac{1}{2} \cdot (2 (2)) & \frac{1}{2} \cdot 24 \end{array}] - \frac{1}{4} [\begin{array}{c} 8 & 16 \\ 0 & 44 \end{array}]$

Step 1.2.3.2

Cancel the common factor.

$[\begin{array}{c} 3 & 6 \\ \frac{1}{2} \cdot (2 \cdot 2) & \frac{1}{2} \cdot 24 \end{array}] - \frac{1}{4} [\begin{array}{c} 8 & 16 \\ 0 & 44 \end{array}]$

Step 1.2.3.3

Rewrite the expression.

$[\begin{array}{c} 3 & 6 \\ 2 & \frac{1}{2} \cdot 24 \end{array}] - \frac{1}{4} [\begin{array}{c} 8 & 16 \\ 0 & 44 \end{array}]$

Step 1.2.4

Cancel the common factor of $2$ .

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Step 1.2.4.1

Factor $2$ out of $24$ .

$[\begin{array}{c} 3 & 6 \\ 2 & \frac{1}{2} \cdot (2 (12)) \end{array}] - \frac{1}{4} [\begin{array}{c} 8 & 16 \\ 0 & 44 \end{array}]$

Step 1.2.4.2

Cancel the common factor.

$[\begin{array}{c} 3 & 6 \\ 2 & \frac{1}{2} \cdot (2 \cdot 12) \end{array}] - \frac{1}{4} [\begin{array}{c} 8 & 16 \\ 0 & 44 \end{array}]$

Step 1.2.4.3

Rewrite the expression.

$[\begin{array}{c} 3 & 6 \\ 2 & 12 \end{array}] - \frac{1}{4} [\begin{array}{c} 8 & 16 \\ 0 & 44 \end{array}]$

Step 1.3

Multiply $- \frac{1}{4}$ by each element of the matrix.

$[\begin{array}{c} 3 & 6 \\ 2 & 12 \end{array}] + [\begin{array}{c} - \frac{1}{4} \cdot 8 & - \frac{1}{4} \cdot 16 \\ - \frac{1}{4} \cdot 0 & - \frac{1}{4} \cdot 44 \end{array}]$

Step 1.4

Simplify each element in the matrix.

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Step 1.4.1

Cancel the common factor of $4$ .

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Step 1.4.1.1

Move the leading negative in $- \frac{1}{4}$ into the numerator.

$[\begin{array}{c} 3 & 6 \\ 2 & 12 \end{array}] + [\begin{array}{c} \frac{- 1}{4} \cdot 8 & - \frac{1}{4} \cdot 16 \\ - \frac{1}{4} \cdot 0 & - \frac{1}{4} \cdot 44 \end{array}]$

Step 1.4.1.2

Factor $4$ out of $8$ .

$[\begin{array}{c} 3 & 6 \\ 2 & 12 \end{array}] + [\begin{array}{c} \frac{- 1}{4} \cdot (4 (2)) & - \frac{1}{4} \cdot 16 \\ - \frac{1}{4} \cdot 0 & - \frac{1}{4} \cdot 44 \end{array}]$

Step 1.4.1.3

Cancel the common factor.

$[\begin{array}{c} 3 & 6 \\ 2 & 12 \end{array}] + [\begin{array}{c} \frac{- 1}{4} \cdot (4 \cdot 2) & - \frac{1}{4} \cdot 16 \\ - \frac{1}{4} \cdot 0 & - \frac{1}{4} \cdot 44 \end{array}]$

Step 1.4.1.4

Rewrite the expression.

$[\begin{array}{c} 3 & 6 \\ 2 & 12 \end{array}] + [\begin{array}{c} - 1 \cdot 2 & - \frac{1}{4} \cdot 16 \\ - \frac{1}{4} \cdot 0 & - \frac{1}{4} \cdot 44 \end{array}]$

Step 1.4.2

Multiply $- 1$ by $2$ .

$[\begin{array}{c} 3 & 6 \\ 2 & 12 \end{array}] + [\begin{array}{c} - 2 & - \frac{1}{4} \cdot 16 \\ - \frac{1}{4} \cdot 0 & - \frac{1}{4} \cdot 44 \end{array}]$

Step 1.4.3

Cancel the common factor of $4$ .

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Step 1.4.3.1

Move the leading negative in $- \frac{1}{4}$ into the numerator.

$[\begin{array}{c} 3 & 6 \\ 2 & 12 \end{array}] + [\begin{array}{c} - 2 & \frac{- 1}{4} \cdot 16 \\ - \frac{1}{4} \cdot 0 & - \frac{1}{4} \cdot 44 \end{array}]$

Step 1.4.3.2

Factor $4$ out of $16$ .

$[\begin{array}{c} 3 & 6 \\ 2 & 12 \end{array}] + [\begin{array}{c} - 2 & \frac{- 1}{4} \cdot (4 (4)) \\ - \frac{1}{4} \cdot 0 & - \frac{1}{4} \cdot 44 \end{array}]$

Step 1.4.3.3

Cancel the common factor.

$[\begin{array}{c} 3 & 6 \\ 2 & 12 \end{array}] + [\begin{array}{c} - 2 & \frac{- 1}{4} \cdot (4 \cdot 4) \\ - \frac{1}{4} \cdot 0 & - \frac{1}{4} \cdot 44 \end{array}]$

Step 1.4.3.4

Rewrite the expression.

$[\begin{array}{c} 3 & 6 \\ 2 & 12 \end{array}] + [\begin{array}{c} - 2 & - 1 \cdot 4 \\ - \frac{1}{4} \cdot 0 & - \frac{1}{4} \cdot 44 \end{array}]$

Step 1.4.4

Multiply $- 1$ by $4$ .

$[\begin{array}{c} 3 & 6 \\ 2 & 12 \end{array}] + [\begin{array}{c} - 2 & - 4 \\ - \frac{1}{4} \cdot 0 & - \frac{1}{4} \cdot 44 \end{array}]$

Step 1.4.5

Multiply $- \frac{1}{4} \cdot 0$ .

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Step 1.4.5.1

Multiply $0$ by $- 1$ .

$[\begin{array}{c} 3 & 6 \\ 2 & 12 \end{array}] + [\begin{array}{c} - 2 & - 4 \\ 0 (\frac{1}{4}) & - \frac{1}{4} \cdot 44 \end{array}]$

Step 1.4.5.2

Multiply $0$ by $\frac{1}{4}$ .

$[\begin{array}{c} 3 & 6 \\ 2 & 12 \end{array}] + [\begin{array}{c} - 2 & - 4 \\ 0 & - \frac{1}{4} \cdot 44 \end{array}]$

Step 1.4.6

Cancel the common factor of $4$ .

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Step 1.4.6.1

Move the leading negative in $- \frac{1}{4}$ into the numerator.

$[\begin{array}{c} 3 & 6 \\ 2 & 12 \end{array}] + [\begin{array}{c} - 2 & - 4 \\ 0 & \frac{- 1}{4} \cdot 44 \end{array}]$

Step 1.4.6.2

Factor $4$ out of $44$ .

$[\begin{array}{c} 3 & 6 \\ 2 & 12 \end{array}] + [\begin{array}{c} - 2 & - 4 \\ 0 & \frac{- 1}{4} \cdot (4 (11)) \end{array}]$

Step 1.4.6.3

Cancel the common factor.

$[\begin{array}{c} 3 & 6 \\ 2 & 12 \end{array}] + [\begin{array}{c} - 2 & - 4 \\ 0 & \frac{- 1}{4} \cdot (4 \cdot 11) \end{array}]$

Step 1.4.6.4

Rewrite the expression.

$[\begin{array}{c} 3 & 6 \\ 2 & 12 \end{array}] + [\begin{array}{c} - 2 & - 4 \\ 0 & - 1 \cdot 11 \end{array}]$

Step 1.4.7

Multiply $- 1$ by $11$ .

$[\begin{array}{c} 3 & 6 \\ 2 & 12 \end{array}] + [\begin{array}{c} - 2 & - 4 \\ 0 & - 11 \end{array}]$

Step 2

Add the corresponding elements.

$[\begin{array}{c} 3 - 2 & 6 - 4 \\ 2 + 0 & 12 - 11 \end{array}]$

Step 3

Simplify each element.

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Step 3.1

Subtract $2$ from $3$ .

$[\begin{array}{c} 1 & 6 - 4 \\ 2 + 0 & 12 - 11 \end{array}]$

Step 3.2

Subtract $4$ from $6$ .

$[\begin{array}{c} 1 & 2 \\ 2 + 0 & 12 - 11 \end{array}]$

Step 3.3

Add $2$ and $0$ .

$[\begin{array}{c} 1 & 2 \\ 2 & 12 - 11 \end{array}]$

Step 3.4

Subtract $11$ from $12$ .

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