Top answers

How do I expand out a pair of brackets?

Expanding something out like (x+2)(x+3) crops up everywhere in maths. Therefore it's a very important skill to develop.There are many different ways of looking at it - smily faces, rainbows, claws - to name ...
CW
Answered by Cordelia W. • Maths tutor
6779 Views

How do I simplify surds?

Easy! We first consider which number is in the square root. Then we look at it's factors:- if any of factors are square we can immediately take their root out of the overall square root. Once all the square ...
CW
Answered by Cordelia W. • Maths tutor
8231 Views

How do I differentiate?

Differentiation is a relatively easy process once you learn the basic method. The basic rule is, you multiply the coefficient of x by the exponent, which becomes the new coefficient, and then reduce the expo...
AB
Answered by Alexis B. • Maths tutor
7990 Views

What is the best way to study for a Maths exam?

Lots and lots of past paper questions! Any other questions as well really. When it comes to maths, practice makes perfect. Every time that you answer questions from a specific topic, you develop an extra bit...
SS
Answered by Shyam S. • Maths tutor
4938 Views

How do I solve a pair of simultaneous equations?

An example of a pair of simultaneous equations is as follows: 4x + 3y = 10 (1) and 2x - 3y = 14 (2) Now to solve these equations we can simply add them and solve for x, then sub that value of x in to one of ...
RK
Answered by Reece K. • Maths tutor
7417 Views