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Maths
GCSE

How do I solve a quadratic equation by completing the square?

The first step is to make sure that the coefficient of x^2 is 1 by dividing all terms by a (where a equals the coefficient of x^2). Then we must write the quadratic e...

GJ
Answered by Gina J. Maths tutor
4173 Views

How to factorise simple quadratic equations?

The reason why we factorise quadratic equation is because it is a neater and simpler way of writing the expression. 

Example 1

If we wanted to factorise x^2 + 10 + 21 we must look at f...

KV
Answered by Karan V. Maths tutor
5267 Views

What is the difference between a histogram and a bar chart? How can I find the frequency density?

MC
8558 Views

How do I factorise a quadratic equation?

A quadratic equation is one with a squared term, like 3x

EA
3660 Views

How to factorise a simple linear equation such as '9Y + 6'

Using the Example 9Y + 6 Factorising means to remove a common factor from both the ‘9Y’ term and the ‘6’ – this common factor will then be placed outside the brackets. For us to complete this question, we...

SL
Answered by Solomon L. Maths tutor
12120 Views

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