Evaluate -7*14

$- 7 \cdot 14$

Step 1

Multiply using long multiplication.

Factor out a $- 1$ .

$- (7 \cdot 14)$

Multiply $4$ by $7$ . Place the ones digit $(8)$ in the result line and carry the tens digit $(2)$ . There is one result line for each digit in $14$ .


		$7$
$⨯$	$1$	$4$
	$2$	$8$

Multiply $1$ by $7$ . Place the result in the next column in the result line. There is one result line for each digit in $14$ .


		$7$
$⨯$	$1$	$4$
	$2$	$8$
	$7$

Add the numbers in each column. In this case, add $8 + 0$ , then place the $8$ in the result line.


		$7$
$⨯$	$1$	$4$
	$2$	$8$
	$7$
		$8$

Add the numbers in each column. In this case, add $2 + 7$ , then place the $9$ in the result line.


		$7$
$⨯$	$1$	$4$
	$2$	$8$
	$7$
	$9$	$8$


		$7$
$⨯$	$1$	$4$
	$2$	$8$
	$7$
	$9$	$8$

Step 2

The result of $7 \cdot 14$ is $98$ .

$98$

Step 3

Multiply $98$ by $- 1$ .

$- 98$

Evaluate -7*14

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