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Expand and simplify 6x^2(x-1)(x+2)

First we need to use the rules of BIDMAS (brackets, indices, division, multiplication, addition, subtraction)So we must deal with the brackets of the function first(x-1)(x+2)To expand these brackets we use F...
EP
Answered by Emily p. • Maths tutor
3381 Views

Describe the process of Fractional Distillation

Crude oil heated and fed into the bottom of the fractionating column as a vapour. The column is cooler at the top and hotter at the bottom of the column. The process works using the different boiling and con...
LD
Answered by Lauren D. • Chemistry tutor
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What was Henry VII's most poorly planned piece of foreign policy?

This can be debated, however, I think it's the trade embargo that was placed upon Antwerp in 1493. This was done because Henry felt as thought dynasty was being threatened (an important theme in his foreign ...
LM
Answered by Lily M. • History tutor
8343 Views

How does the multi-store model of memory (MSM) work?

The MSM was created by Atkinson and Shiffrin to describe how information is retained by individuals. The first store is the sensory register, this contains an echoic or iconic store (echoic meaning auditory ...
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Answered by Lily M. • Psychology tutor
5069 Views

Expand and simplify: 3(4x+1)-5(3x-2)

3(4x+1)-5(3x-2)= 12x+3-15x+10= -3x+13 or 13-3x
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Answered by Charlotte B. • Maths tutor
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