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- x=3;x=−12{x}{=}{3}{;}{ }{x}{=}{-}\dfrac{1}{2}
- x=−3;x=−12{x}{=}{-}{3}{;}{ }{x}{=}{-}\dfrac{1}{2}
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- x=−3;x=12{x}{=}{-}{3}{;}{ }{x}{=}\dfrac{1}{2}