Algebra Help Radical Equations

can anyone help me with Algebra 1 Radical Equations?
I need helpp
X^2/X-4 – 7/X-4 = 0
since these two fractions have teh same denominator you can just add them straight.
X^2-7 / x-4 = 0
so multiply both sides by (x-4) so cancel out the fraction
x^2 -7= 0
x^2 = 7
so x = +/- sqrt(7)
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