Question

If x-y =4 and x2+y2=40 then x+y=? Explain it

Answer 1

hey mate hope it helps you...

x - y = 4

Squaring on both sides we get,

x² + y² - 2xy = 16

40 - 2xy = 16

2xy = 24

xy = 12

y = 12/x

Well to get the values of x and y solve the two equations.

Hope it helps you

Answer 2

Answer: 8

Step-by-step explanation: hi

Go through this