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Simplify fully 3(3 – x) – 2(x – 4)

3(3 – x) – 2(x – 4)Open out the brackets--> 9 - 3x - 2x + 8Simplify--> -5x +17
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Answered by Laura C. • Maths tutor
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What does differentiation mean and represent? (A-Level students)

Simply put, differentiation allows you do find the gradient of a line, whether it is linear or a curve. When you first learn about the equation of a straight line, commonly displayed in the form y=mx+c, wher...
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Answered by Sam T. • Maths tutor
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Express 56 as a product of its prime factors

56 7 x 8 products of 56, 7 is a prime factor 2 x 4 2 is a prime factor 2 x 2 Therefore, 56 as a product of its prime factors is 7 x 2 x 2 x 2 OR 7 x 2^3
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Answered by Isabella T. • Maths tutor
23648 Views

expand and simplify (x+4)(x-2)^2

(x+4)(x-2)^2(x+4)(x-2)(x-2)(x+4)(x^2-2x-2x+4)(x+4)(x^2-4x+4)x(x^2-4x+4)+4(x^2-4x+4)(x^3-4x^2+4x)+(4x^2-16x+16)x^3-12x+16
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Answered by Bethany W. • Maths tutor
4255 Views

What is the participe passé and how to use it?

The past participle, called le participe passé in French, is very similar in French and English. It is important to recognise the French past participle’s structure. It usually ends in -é, -i, or -u, while i...
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Answered by Alice J. • French tutor
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