Question

Find x and y if x^2 + y^2 =25 and -2x^2 +y^2 = -2

Answer 1

Answer:

I don't know

Step-by-step explanation:

plz follow me

Answer 2

Answer:

x=+3,-3

y=+4,-4

Step-by-step explanation:

from eqn 1 and 2

x^2 + y^2 = 25

-2x^2 + y^2 = -2

+ - +

_____________

3x^2 + 0 =27

x=+3 , -3

now substitute value of x in any of the given eqn

we get

3^2 + y^2 = 25

y= +4 , -4

y