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M²-4 =3 Solving quadratics
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M²-4 =3 Solving quadratics

User Vimukthi
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M^2-4=3\ \ \ \ | add\ 4\ to\ each \ side\\\\ M^2=7\ \ \ \ | \sqrt{}\\\\ |M|=√(7)\\\\ M=√(7)\ \ \ or\ \ \ M=-√(7)
User Infokiller
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