Algebra Examples

$13 \cdot 13$

Step 1

Multiply using long multiplication.

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Step 1.1

Multiply $3$ by $3$ . Place the result in the next column in the result line. There is one result line for each digit in $13$ .

Step 1.2

Multiply $3$ by $1$ . Place the result in the next column in the result line. There is one result line for each digit in $13$ .

Step 1.3

Multiply $1$ by $3$ . Place the result in the next column in the result line. There is one result line for each digit in $13$ .

Step 1.4

Multiply $1$ by $1$ . Place the result in the next column in the result line. There is one result line for each digit in $13$ .

Step 1.5

Add the numbers in each column. In this case, add $9 + 0$ , then place the $9$ in the result line.

Step 1.6

Add the numbers in each column. In this case, add $3 + 3$ , then place the $6$ in the result line.

Step 1.7

Add the numbers in each column. In this case, add $0 + 1$ , then place the $1$ in the result line.

Step 2

The result of $13 \cdot 13$ is $169$ .

$169$