Question

X + y = -4 and xy = 2, then the value of x square + y square is

Answer 1

Step-by-step explanation:

just squaring and putting the value.

Answer 2

Answer:

X + y = -4----------1

xy = 2----------------2

x+y=-4

Squaring of both the sides

(x+y)^2=(-4)^2

x^2+y^2+2xy=16

Substituting 1 and 2

x^2+y^2+2(2)=16

x^2+y^2=16-4

x^2+y^2=12

Hope this helps you

Please mark as brainiest!!!