Root

The root of the equation
(x10)2+10=x2+61x(x-10)2 +10 = x2 +61x
is:


« Correct result


Wrong answer

Solution:

(x10)2+10=x2+61x x=102+10210+61 x=1.36 x>0(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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