Respuesta :

hello there

the answer is

x^2 + (x+1)^2=265

2x^2+2x+1=265

2x^2+2x-264=0

hope this helps

x^2+x-132=0

(x+12)(x-11)=0

x=11 then x+1=12

If x=-12 the x+1=-11

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good job