Question

${x}^{2} + {y}^{2} - 4(x + y ) =85(x + y)$
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Answer 1

$\huge\bf{{\color{navy}{a}}{\color{indigo}{n}}{\color{blue}{s}}{\blue{w}}{\color{skyblue}{e}}{\color{lightblue}{r}}}$

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To solve :

$\bf {x}^{2} + {y}^{2} - 4(x + y) = 85(x + y) \\ \bf {x}^{2} + {y}^{2} - 4x - 4y = 85x + 85y \\ \bf {x}^{2} + {y}^{2} - 4x - 85x = 85y + 4y \\ \bf {x}^{2} + {y}^{2} - 89x = 89y \\ \bf \underline{\underline{{x}^{2} + {y}^{2} - 89x - 89y = 0}}$

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$\huge\bf{{\color{navy}{Hope}}~{\color{blue}{it}}~{\blue{helps..!!}}}$

Answer 2

$\huge \tt{To \: solve :}$

$</p><p></p><p>\begin{gathered} \bf {x}^{2} + {y}^{2} - 4(x + y) = 85(x + y) \\ \bf {x}^{2} + {y}^{2} - 4x - 4y = 85x + 85y \\ \bf {x}^{2} + {y}^{2} - 4x - 85x = 85y + 4y \\ \bf {x}^{2} + {y}^{2} - 89x = 89y \\ \bf \underline{\underline{{x}^{2} + {y}^{2} - 89x - 89y = 0}}\end{gathered}x2+y2−4(x+y)=85(x+y)x2+y2−4x−4y=85x+85yx2+y2−4x−85x=85y+4yx2+y2−89x=89yx2+y2−89x−89y=0</p><p></p><p></p><p>$