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2. Clearing denominators - Wikipedia

   en.wikipedia.org/wiki/Clearing_denominators

   Simplifying this further gives us the solution x = −3. It is easily checked that none of the zeros of x ( x + 1)( x + 2) – namely x = 0 , x = −1 , and x = −2 – is a solution of the final equation, so no spurious solutions were introduced.

3. List of rules of inference - Wikipedia

   en.wikipedia.org/wiki/List_of_rules_of_inference

   Download as PDF; Printable version; ... Restriction: No free occurrence of ... Simplification using Step 1 3. ...

4. Symbolab - Wikipedia

   en.wikipedia.org/wiki/Symbolab

   Symbolab is an answer engine [1] that provides step-by-step solutions to mathematical problems in a range of subjects. [2] It was originally developed by Israeli start-up company EqsQuest Ltd., under whom it was released for public use in 2011. In 2020, the company was acquired by American educational technology website Course Hero. [3] [4]

5. Cross-multiplication - Wikipedia

   en.wikipedia.org/wiki/Cross-multiplication

   Each step in these procedures is based on a single, fundamental property of equations. Cross-multiplication is a shortcut, an easily understandable procedure that can be taught to students. Cross-multiplication is a shortcut, an easily understandable procedure that can be taught to students.

6. Elementary algebra - Wikipedia

   en.wikipedia.org/wiki/Elementary_algebra

   Unlike abstract algebra, elementary algebra is not concerned with algebraic structures outside the realm of real and complex numbers. It is typically taught to secondary school students and at introductory college level in the United States, [4] and builds on their understanding of arithmetic. The use of variables to denote quantities allows ...

7. Donny Osmond recalls wanting excited fans to 'rip me apart ...

   www.aol.com/donny-osmond-recalls-wanting-excited...

   Related: Donny Osmond says he's 'never' cursed in his entire life He began to laugh as he continued, “I wanted so badly to have them pull me in the audience and just rip me apart!” Osmond was ...