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:

Factorising:

Expanding single brackets and simplifying:

Expanding double brackets:

More examples for double bracket expansion:

Introduction to Indices

Indices laws for multiplying powers

Indices law for division

More indices laws

Negative indices

Rearranging equations:

Rearranging equations 2:

Finding nth terms:

Solving Simultaneous Equations with elimination 1

Inequalities on a number line