landmar04 landmar04

03-07-2018
Mathematics

contestada

Which number should be multiples to obtain 165^2-123^2

Respuesta :

03-07-2018

The identity in question is called the difference of two squares:

[tex]a^2 - b^2 = (a+b)(a-b)[/tex]

So

[tex]165^2-123^2=(165+123)(165-123)=288\times 42[/tex]

Answer Link

Otras preguntas

cual es la correcta??

Can someone help me with this pls I forgot how to do it thank you :)

a) total time taken for journeyb) the acceleration during the first part of the journey

An earthquake shook the town, and several buildings were destroyed. A. several buildings were destroyed B. shook the town, and several buildings C. An earthq

How did Mesopotamia's achievements continue to influence our lives today. Be sure to respond in complete sentences.

Why were scribes important In Sumerian government

A 15.00 % by mass solution of lactose (C 12H 22O 11, 342.30 g/mol) in water has a density of 1.0602 g/mL at 20°C. What is the molarity of this solution

What is 15 percent of 20

find the value of x in the triangle

Can someone write a fairy tale, it has to be amazing with a good ending for the main character it has to have a good meaning and lesson make it kinda long I wi