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Mathematics

Substitution in rational equations

A repeated rational expression can act as one variable in an equation that is quadratic in form.

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Chapter 17: Solution constraints in rational and radical equations10 lessons · 40 min
  1. 1Equations with complex fractions4 min
  2. 2Substitution in rational equations4 min
  3. 3Identities and contradictions in rational equations3 min
  4. 4Parameter-dependent excluded roots4 min
  5. 5Equations with rational exponents4 min
  6. 6Quadratic radicands in equations4 min
  7. 7Sign conditions before squaring3 min
  8. 8Parameters and radical equation solutions4 min
  9. 9Counting valid rational and radical roots4 min
  10. 10Challenge: Solution constraints in rational and radical equations6 min
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This lesson is part of the Mathematics course.

Example plan3 lessons · 11 min

Equations with complex fractions4 min
Substitution in rational equationsSolution constraints in rational and radical equations4 min
Identities and contradictions in rational equationsSolution constraints in rational and radical equations3 min

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