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Maths: A Student's Survival Guide by Jenny Olive

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1Basic algebra: some reminders of how it works

In many areas of science and engineering, information can be made clearer and more helpful if it is thought of in a mathematical way. Because this is so, algebra is extremely important since it gives you a powerful and concise way of handling information to solve problems. This means that you need to be confident and comfortable with the various techniques for handling expressions and equations.

The chapter is divided up into the following sections.

1.A Handling unknown quantities

(a) Where do you start? Self-test 1

(b) A mind–reading explained

(c) Some basic rules

(d) Working out in the right order

(e) Using negative numbers

(f) Putting into brackets, or factorising

1.B Multiplications and factorising: ...

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