Algebra - Ch. 12: Rational Expressions: Addition and Subtraction (17 of 27) Example 16

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We will solve the addition and subtraction of rational expressions with different denominators. Example 16

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You are a GREAT teacher sir !
Please accept my SALUTATION !

themathhelp
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Why wasn't the LCD 3X in addition to X squared? I am confused why you didn't use 3X by itself, X squared by itself and (×-1) as the lowest common denominator and was wondering how you combined it to get 3x squared times (x-1). Can you show this step I'm sorry if I sound stupid

mjohnson
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we need some videos about your setup or studio!

Khalid-xwlc