Eightcord
Eightcord Eightcord
  • 04-01-2020
  • Mathematics
contestada

Find the sum and the difference of the following expressions.

a-b and a+b

The sum is_____, The difference is_____.

Respuesta :

princessbriannasu princessbriannasu
  • 04-01-2020

Answer:

sum=2a

diff.=-2b

Step-by-step explanation:

a-b+a+b=

2a

a-b-a-b=-2b

Answer Link
fhope12
fhope12 fhope12
  • 04-01-2020
Sum :
a-b+(a+b)
a+a-b+b=2a

Difference:
a-b-(a+b)
a-b-a-b
-2b
Answer Link

Otras preguntas

Three consecutive odd integers add to −9. What are these integers?
What is the value of x in the equation log5 x = 4 jmap?
fond the area of a sector with a central angle of 100 and a diameter of 9.3cm round to the nearest tenth
Given that a­­b = x, evaluate the following 2a^3b+a^2b+a^b
In a neutralization reaction between sodium hydroxide,naoh and hydrochloric acid,hcl,the salt produced would be
Find the area of a 120 degrees sector of a circle who’s radius is 6
What key chemiclas do the mouth and stomach contain?
For each glucose that enters glycolysis, _____ nadh enter the electron transport chain.
I need help with 1 and 3 please
How does the law of conservation of matter apply to chemical equationshow does the law of conservation of matter apply to chemical equations?