CIMT Textbook Chapter 11
Interactive tutorials

Collecting like terms:

Collecting like terms 2 [error at 3.45 – should be 8x^2]

Expanding 2 single brackets:

Substitute into equations:

Simplify expressions:

Solving equations (x on one side):

Solving equations with x on both sides:

Solving equations with fractions:

Factorising:

Expanding single brackets and simplifying:

Expanding double brackets:

More examples for double bracket expansion:

Factorising double brackets:

Trick for factorising double brackets when x^2 is greater than 1:

Solving quadratics by factorising: