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Expand (2x-3)(4x+4) using the FOIL method.

Question: Expand (2x-3)(4x+4) We will be using the FOIL method. FOIL is an ancronym: F=first O=outside I=inside L=last So, to begin, we start with the first term in each bracket, and multiply them together. ...
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Answered by Miriam W. • Maths tutor
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How do I evaluate a source?

First rule of sources: don't simply claim bias. Bias means nothing without explanation and shouldn't be assumed, if you're going to dismiss a source because of this, you need an explanation such as 'this sou...
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Answered by Emily H. • History tutor
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How to find y-intercept on a graphical calculator

Your graphical calculator is your best friend. Never leave home without it, providing you're going to a class or an exam. Using graphs we can work out intercepts; solve simulatneous equations and help you ou...
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Answered by Emily H. • Maths tutor
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What role does the respiratory system play in humans?

The respiratory system is a collection of organs working together in order to oxygenate the blood and remove the waste product carbon dioxide. The respiratory system uses a method of gaseous exchange in the ...
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Answered by Kelsey M. • Biology tutor
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How to get the most out of primary sources?

Primary sources are a key part of the historians work and will provide important points that will strengthen your argument. However primary sources are often difficult to analyse; it is impossible to not see...
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Answered by Neil W. • History tutor
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