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Expand and Simplify 3x(8y-2) - 4y(6x -3) + 2x = 0

1) We will expand the function by multiplying each bracket by its coefficients. Lets divide the equation in two parts to make it a bit simpler: 3x(8y-2) = 3x 8y + 3x (-2) = 24xy - 6x -4y(6x - 3) + 2x = -4y 6...
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Answered by Teresa U. • Maths tutor
9738 Views

In what ways and to what extent, was propaganda important in the rise and rule of Hitler?

Hitler used propaganda both in his rise to power (when he was using the myth that Germany's defeat in the First World War was Jewish fault) and through his rule to strenthen and maintain his power. He set up...
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Answered by Paulina W. • History tutor
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Solve x^​2​ - 10x + 21 = 0 through the following methods: Factorisation, Completing the Square and using the Quadratic Formula

There are three ways of solving quadratic equations: Factorisation, Completing the Square and using the Quadratic Equation. All these methods are correct and it is up to you to choose which one you prefer to...
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Answered by Teresa U. • Maths tutor
30371 Views

What are the three isolation barriers by which speciation can occur?

Speciation is a complex topic, and indeed what defines a species is still debated today. However, one factor is key to the process of speciation; gene flow. Gene flow between populations of a species ensures...
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Answered by John M. • Biology tutor
21672 Views

Sketch the curve y = (x^2 - 9)(x - 2)

When it comes to curve sketching, there are a number of tests that you can do to find out crucial characteristics about the curve. They are following: 1. Setting x = 0 will give you the points at which the c...
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Answered by Dan S. • Maths tutor
7275 Views