How do you solve $sqrt(x+6)=x$ ?

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Answer 1 · 2016-05-03T14:47:57

Square both sides of the equation.

Square both sides of the equation.
$(x+6)=x^2$

$:.x^2-x-6=0$

$(x-3)(x+2)=0$

$x=3$ or $x=-2$

How do you solve sqrt(x+6)=xsqrt(x+6)=x?