CBEHub

← 1.3 Quadratic Expressions and Equations 1

Solving harder quadratic equations

Mathematics · Grade 10 · about 40 minutes

Rearranging first, common factors, a not 1, brackets that are not yet zero, and a repeated root.

Sign in to read this lesson

Lessons are for learners and teachers with an account. Browsing the curriculum — subjects, strands and what each sub-strand covers — stays open to everyone.

  • 9 sections of explanation, worked examples and diagrams
  • 1 practice task with hints and worked answers
  • A quiz that marks itself as you go
  • Your progress kept across every subject you take
Sign in Create an account

Other lessons in this sub-strand

  1. Expanding and factorising
  2. Solving quadratic equations
  3. Forming quadratic expressions
  4. Quadratic identities from area
  5. Using identities with numbers
  6. Taking out a common factor
  7. Difference of two squares
  8. Perfect-square trinomials
  9. Factorising when a is not 1
  10. Completing the square
  11. Forming quadratic equations
  12. Solving harder quadratic equations
  13. The parabola and its intercepts
  14. Quadratics in real life