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

what is the percent of change in 15 yards to 18 yard
simplify 5x^4y^3 * x^2y
For each sequence write an explicit formula 96,48,24,12,6
On the seashore pebbles that are rough and uneven become smooth and rounded explain how they become smooth and rounded
what is the mystery of Tiahuanaco
why do winter and summer climates vary more widely in much of eastern Europe?
Cowboys were only Native Americans and Mexican Americans. A. Yes B. No
nor shall any person be subject for the same offence to be twice put in jeopardy of life or limb…" —Fifth Amendment to the United States Constitution The quote
Which is true of the “Harlem Renaissance” of the 1920s? A) The era gave rise to F. Scott Fitzgerald, "flappers", and "speakeasies". B) Poverty and starvation cr
How can I compare the two stages of cellular respiration ?