Question

$x - y = 13 \\ xy = 25 \\ x + y =$
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Answer 1

Answer:

Formula used:

$->(x-y)^2+4xy=(x+y)^2$ (Simply and check you'll get the same)

Step-by-step explanation:

$->(13)^2+4(25) = (x+y)^2$

$->169+100=(x+y)^2$

$->269=(x+y)^2$

$->x+y=\±\sqrt{269}$