Respuesta :
Answer:
x+y+x-y=10+4
2x=14
x=7
7-y=4
y=11
put the value x and y of in x^2+y^2
16+121=137
mark it as brainliest
Answer:
58
Step-by-step explanation:
x+y=10---1
x-y=4-----2
adding both the terms
we will get x=7
now putt x=7 in equation 1
from there we will get y that is 3
x²+y²
7²+3²
49+9=58 ans