I need help finding x, and if the solution is extraneous or not. The only question out of 10 I cant solve.
please help.
please help.
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Divide both sides by (-4):
sqrt(x+9) = -5
Square both sides:
(x+9) = (-5)^2
x+9 = 25
x = 16
sqrt(x+9) = -5
Square both sides:
(x+9) = (-5)^2
x+9 = 25
x = 16