# Variable substitution method

# Substituting into an Algebraic Expression (Harder Example)

### Other sections in topic

- 2 videos
## Quadratic relationships

- 3 videos
## Identify key features of quadratics

- 2 videos
## Interpret key features of quadratic graphs

- 2 videos
## Graph basic quadratics

- 4 videos
## Transformations on quadratic graphs

- 3 videos
## Transformations on quadratic equations

- 2 videos
## Solve quadratics by algebraic manipulation

- 3 videos
## Graph fully factored quadratics

- 1 video
## Solve by factorisation

- 3 videos
## Solve by completing the square

- 2 videos
## Solve quadratics by completing the square then fully factorising

- 2 videos
## Graph quadratics in turning point form

- 1 video
## Solve using the quadratic formula

- 3 videos
## Solve quadratics using various methods

- 2 videos
## Non-monic quadratic equations

- 2 videos
## Completing the Square With Surds

- 2 videos
## Graph quadratics in general form

- 2 videos
## Discriminant of a quadratic

- 2 videos
## Quadratic graphing