# Evaluate -15*17

-15⋅17
Multiply using long multiplication.
Factor out a -1.
-(15⋅17)
Multiply 7 by 5. Place the ones digit (5) in the result line and carry the tens digit (3). There is one result line for each digit in 17.
 3 1 5 ⨯ 1 7 5
Multiply 7 by 1 and add the carried 3. Place the ones digit (0) in the result line and carry the tens digit (1). There is one result line for each digit in the 17.
 1 5 ⨯ 1 7 1 0 5
Multiply 1 by 5. Place the result in the next column in the result line. There is one result line for each digit in 17.
 1 5 ⨯ 1 7 1 0 5 5
Multiply 1 by 1. Place the result in the next column in the result line. There is one result line for each digit in 17.
 1 5 ⨯ 1 7 1 0 5 1 5
Add the numbers in each column. In this case, add 5+0, then place the 5 in the result line.
 1 5 ⨯ 1 7 1 0 5 1 5 5
Add the numbers in each column. In this case, add 0+5, then place the 5 in the result line.
 1 5 ⨯ 1 7 1 0 5 1 5 5 5
Add the numbers in each column. In this case, add 1+1, then place the 2 in the result line.
 1 5 ⨯ 1 7 1 0 5 1 5 2 5 5
 1 5 ⨯ 1 7 1 0 5 1 5 2 5 5
The result of 15⋅17 is 255.
255
Multiply 255 by -1.
-255
Evaluate -15*17

### Solving MATH problems

We can solve all math problems. Get help on the web or with our math app

Scroll to top