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Factorize 9x+3xy-9zyx

=3x(3+y+3zy)
NC
Answered by Nicholas C. • Maths tutor
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What was the most important factor in causing the US civil war?

Intro: The US civil war is a complex part of history known for not having one key starting point. Economics, politics, culture and the issue of slavery all contributed to the fal out between the north and th...
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Answered by Nicholas C. • History tutor
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Why does the demand curve slope downwards?

There is an inverse relationship between price and quantity demanded. When the price is low, high quantities are demanded and vice versa when the price is high; for all goods which are not giffen goods. Howe...
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What is the difference between a macrophage and a monocyte?

Macrophages are simply monocytes that reside in tissues, rather than blood. In histology, monocytes appear bean shaped, whereas macrophages are just large with fluffy edges.
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Answered by Alec S. • Biology tutor
21997 Views

How do I integrate a Fraction ?

There are two types of fraction integrals you might come across. Fractions where the denominator is factorisable and fractions where it is not. So first try and factorise the denominator. Type 1 Factorisable...
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Answered by Patrick G. • Maths tutor
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