Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


Addition and subtraction: (same sign) add the numbers and keep the sign.
ex. (-1)+(-4)= -5 and 1+4=5
           : (diff. signs) subtract the numbers and keep the sign of the highest number. ex.1 -8+2=-6 and -2+8=6

multiplying and diving: (same sign) if the numbers has same sign the result are always POSITIVE. ex. -2*-4=8 and 2*4=8 ; -3/-6=2 and 3/6=2
             :(diff. sign) if the numbers has different signs the result is ALWAYS NEGATIVE. ex. 4*-5=-20 and 8*-2=-16, ;  -3/6= -2 and 3/-6=-2

0 0 0
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts