Question

if x+y=17 and x-y=9.find x, y and x2+y2​

Answer 1

Answer:

x=13

y=4

x²+y² = 185

Step-by-step explanation:

x+y = 17    ---------1

x-y=9     ---------2

adding 1 and 2

we get, 2x = 26

             x= 13

putting x= 13 in 1

            y= 17-x = 17-13= 4

Now,  x² + y² = 13² + 4² = 169 + 16 = 185

Answer 2

Answer:

X=13 , y=4

Step-by-step explanation:

X+y=17....(1)

x-y=9.........(2) (+y&-y cancelled)

2x=26

X=26÷2

X=13

substitute value of X in equation (1)

13+y=17

y=17-13

y=4

I hope this helped u

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