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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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