With the process and explanation in details

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With the process and explanation in details

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Answer:13Step-by-step explanation:the quadratic formula will be used to solve the equation x²-3x-1=0x = -b±√b²-4ac           2a b= -3, a= 1, c= -1x =   --3±√3²-4*1*-1              2*1x =  3±√9+4           2x =  3±√13          2x₁ = 3 + √13         2x₂ = 3 - √13           2x₁² + x₂² - 2x₁x₂22 + 6√13 + 22 - 6√13   + 2      4                    422 + 6√13 + 22 - 6√13 + 8   = 52/4 =13         4

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