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Expand and simplify (x − 4)(2x + 3y)^2

Expand the (2x + 3y)^2 term to give 4x²+ 9y² +12xy Expand (x - 4)(4x²+ 9y²+12xy) to give (4x³+9xy²+ 12x²y - 16x²

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How does Orwell use juxtaposition throughout 1984, and what effect does this have on the reader?

The primary use of juxtaposition in 1984 is the near-constant juxtaposition of truth and reality, versus deception and lies, especially through wordplay and appearances. The Ministry of Love's violent tor...

Answered by Sian R. • English tutor

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Why can graphite be used as a lubricant?

Between the carbon layers in graphite there are van der waal forces which are very weak. Therefore, the layers of carbon atoms are able to slide over each other allowing graphite to be used as a lubricant...

Answered by Rana D. • Chemistry tutor

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Describe the mechanics of breathing which cause inspiration at rest. (3)

The External intercostals contract and the diaphragm flattensPulling the thoracic cavity up and out This then increases the volume of the thoracic cavity, Causing a reduction of pressure in the lungs comp...

Answered by Becky S. • Physical Education tutor

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How do I structure my essay and manage my time in the exam?

The best way to structure your essay is to understand exactly what the question is asking for. If the question is asking you to analyse the significance of a certain aspect of a text, then your first thou...

Answered by Sophie M. • English Literature tutor

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