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The first step would be to multiply out the bracket. So, using this example we would times each item inside the bracket by 3.

As a result we would get: 3x + 12 = 18

Then we ...

I am going to assume you know what an irrational number is, given that that should have been taught right at the beginning the topic of surds. When I talk about a “rational” number, here I mean “whole num...

Using the equation Area = 1/2 * base * height:

Area = 1/2 * 7 * 6

Area = 21 units.

There are many ways to solve quadratic equations including completing the square, factorisation and using the quadratic equation.

Factorisation involves breaking the quadratic equation in...