Question 293504
square root of x+6=x?
{{{sqrt(x+6) = x}}}
Square both sides:
{{{x+6 = x^2}}}
x^2-x-6 = 0
(x-3)(x+2) = 0
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x = 3, x = -2
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Check:
x = 3
{{{sqrt(9) = 3}}} Is true
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x = -2
{{{sqrt(4) = -2}}} Is true