Why are there two solutions in quadratic equations

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Reference no: EM13118771

1. Why do you factor a quadratic equation before you solve it.

2. When solving a rational equation why is it ok to remove the denominator by multiplying both sides of the LCD and why can you not do the same operation when simplifying a rational expression.

3. Why are there two solutions in quadratic equations?

Reference no: EM13118771

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