brunolupen1907 brunolupen1907
  • 18-02-2019
  • Mathematics
contestada

x-y = 10 x^2-y^2 = 60 x^2+2xy+y^2=?

Respuesta :

Tucon
Tucon Tucon
  • 18-02-2019

 

[tex]\displaystyle\\x-y=\boxed{10}\\\\----------\\\\x^2-y^2 = 60\\\\(x-y)(x+y)=60\\\\10(x+y)=60\\\\x+y=\frac{60}{10}=\boxed{6}\\\\----------\\\\x^2+2xy+y^2=(x+y)^2=6^2=\boxed{\bf36}[/tex]

Answer Link

Otras preguntas

Find f(6)+5g(-1) given f(x)=-5x+1 and g(x)=-2x2
how can I write a compare and contrast essay ? what is its structure?
Total blood cholesterol level was measured for each of 8 adults. Here are the 8 measurements (in mg/dL): 264, 191, 160, 148, 262, 212, 268, 246
A postal carrier can deliver to 130 house in a 2.5- hour period At this rate how many hours will it take to deliver to 312 houses
Whose ideas inspired Thomas Jefferson as he drafted the American Declaration Of Independence
Where does the mains story begin? 1.) Norway 2.) Sweden 3.) Denmark 4.) Germany
Nata spent $28 on 2 DVDs. At the rate, how much would 5 DVDs cost? At what rate did she spend her money?
Which person would most likely have been a “new” immigrant during the late 19th and early 20th centuries?
WILL GIVE BRAINLIEST! Read the passage. The Storm I was home alone one night while an apocalyptic storm raged outside, rain beating incessantly on the roof, w
Choose the correct singular and possessive plural forms of the word given. Child