Algebra Examples

50 \cdot 5

$50 \cdot 5$

Step 1

Multiply using long multiplication.

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Step 1.1

Multiply

5

$5$ by

0

$0$ . Place the result in the next column in the result line. There is one result line for each digit in

5

$5$ .


	$5$ $5$	$0$ $0$
$⨯$ $⨯$		$5$ $5$
		$0$ $0$

Step 1.2

Multiply

5

$5$ by

5

$5$ . Place the ones digit

(5)

$(5)$ in the result line and carry the tens digit

(2)

$(2)$ . There is one result line for each digit in

5

$5$ .


	$5$ $5$	$0$ $0$
$⨯$ $⨯$		$5$ $5$
$2$ $2$	$5$ $5$	$0$ $0$

Step 1.3

Add the numbers in each column. In this case, add

0

$0$ , then place the

0

$0$ in the result line.


	$5$ $5$	$0$ $0$
$⨯$ $⨯$		$5$ $5$
$2$ $2$	$5$ $5$	$0$ $0$
		$0$ $0$

Step 1.4

Add the numbers in each column. In this case, add

5

$5$ , then place the

5

$5$ in the result line.


	$5$ $5$	$0$ $0$
$⨯$ $⨯$		$5$ $5$
$2$ $2$	$5$ $5$	$0$ $0$
	$5$ $5$	$0$ $0$

Step 1.5

Add the numbers in each column. In this case, add

2

$2$ , then place the

2

$2$ in the result line.


	$5$ $5$	$0$ $0$
$⨯$ $⨯$		$5$ $5$
$2$ $2$	$5$ $5$	$0$ $0$
$2$ $2$	$5$ $5$	$0$ $0$


	$5$ $5$	$0$ $0$
$⨯$ $⨯$		$5$ $5$
$2$ $2$	$5$ $5$	$0$ $0$
$2$ $2$	$5$ $5$	$0$ $0$

Step 2

The result of

50 \cdot 5

$50 \cdot 5$ is

250

$250$ .

250

$250$

50 \cdot 5

$50 \cdot 5$

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