Root

The root of the equation
$(x-10)2 +10 = x2 +61x$
is:

« Correct result

Solution:

$(x-10)^2 +10 = x^2 +61x \ \\ x = \dfrac{ 10^2 +10 } { 2\cdot 10 +61 } \ \\ x = 1.36 \ \\ x > 0$

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