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

Question

landmar04 landmar04

03-07-2018
Mathematics

contestada

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

Respuesta :

Otras preguntas

what other areas beside egypt did the new kingdom pharoahs conquer

write words to match the expression. 24- ( 6+3)

Which two numbers have a difference of 5 and a product of 3.36???

what other areas beside egypt did the new kingdom pharoahs conquer

write words to match the expression. 24- ( 6+3)

which city was located nearest the nile river delta

what other areas beside egypt did the new kingdom pharoahs conquer

which city was located nearest the nile river delta

DeanR DeanR · Answer 1 · 2018-07-03T04:31:41+02:00

DeanR DeanR

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