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Factorising and Expanding brackets

How to FACTORISE an equation:
To avoid confusion; x = xx = multiplication​Take the example; 3x +18
In order to factorise we need to find a common factor for both '3x' and '18' and this number wi...

JB
Answered by Josie B. Maths tutor
5885 Views

How do I find the maximum/minimum of a function?

Suppose y is a function of x: y = f(x) At the maximum/minimum of the curve y, the first derivative of the function (with respect to x) is equal to zero:dy/dx = 0To check ...

JD
Answered by Josh D. Maths tutor
20617 Views

What is the ablative case used for and how is it translated?


The ablative case is used in several instances. A noun in the ablative case can usually be translated with the meanings 'by', 'from', or 'with'.Cer...

LB
Answered by Lara B. Latin tutor
16966 Views

The two blocs of the Cold War


The Cold War (1947/1991) is known as the "ideological" war between the Western Block (lead by the USA) and the Eastern Block (lead by USSR). USA and its a...

CA
Answered by Claire A. History tutor
11219 Views

What are positive and negative feedback loops?

Feedback loops are a series of events which are triggered by an initial change. 
Positive feedback loops are feedback loops which amplify the initial change and lead to a repetition ...

MF
Answered by Matthew F. Geography tutor
39655 Views

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