SOLUTION: How do I solve? x^2 + y^2 = 153. Where x = -4x

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Question 864116: How do I solve?
x^2 + y^2 = 153. Where x = -4x
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
Do you mean y=-4x ?
x = -3, y = 12 and
x = 3, y = -12

If you really mean x = -4x then x=0
and y^2=153
y=+-12.37