Algebra Equation Solving Flow Chart

What two numbers have a product of 6 and a sum of -5? Answer: -2 and -3. (6)(-15) = -90; What two numbers have a product of -90 and a sum of +1? Answer: +10 and -9. Does the equation have a single variable that occurs in the denominator of a fraction? If yes, then the equation is a rational expression equation. ................
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