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How do I expand 2 sets of brackets to make a quadratic?

The FOIL method should be used to expand 2 sets of brackets. FOIL stands for: FIRST, OUTSIDE, INSIDE, LAST. Here is the foil method used without numbers; this creates a general formula. Expanding (x+a)(x+...

Answered by Sarah L. • Maths tutor

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Explain the impacts of a fall in interest rates on the rate of GDP growth of a country.

Changing interest rates are an example of a demand side policy change, specifically monetary policy, this means that the Aggregate Demand (AD) curve will shift (see diagram)
This can be demonstrated ...

Answered by • Economics tutor

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There are many specialised cells in the body which have developed from embryonic stem cells. What is the name used to describe this process? Go on to describe how this process may occur.

Process - Differentiation.Explanation - The only genes which are expressed in the cell are those which are characteristic to that cell type.

Answered by Rory B. • Biology tutor

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Multiply 1/4 by 1/8

1/32

Answered by Teresa T. • Maths tutor

2166 Views

How do I work out the measurement of an angle in a right-angle triangle?

When solving an angle for a right-angled triangle you need to use the acronym SOH CAH TOA, using the functions sin(x), cos(x) and tan(x). The other letters O, H and A represent the side of the triangle, s...

Answered by Zoe S. • Maths tutor

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