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Unformatted text preview: + = + 3w 11w 12w 6 1w 3+ =+ 3w 11w 3 w 12w 6= +3w2 2w 33 2w2 4w 6= w2 6w 27 0 + = w 3w 9 0 = , w 3 9 = w 3 is a extraneous solution when its plugged back in ( + ; = , ) since it makes the denom zero in a case 2w 6 w 3 makes it undefined , so = w 9 FOR CLASS MATES x 2x 6 4x Or if you are up to the challenge =x 2x 6 4x 24x2 6x SOLUTIONS ARE ATTACHED Rational equations and expressions are used in real life with several problems involving time. They are used all the time, since many formulas involve ratios....
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 Spring '09
 mcmillian
 Math, Rational Expressions, Addition, Expression, real life, Mathematical notation

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