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Factorise x^2 - 8x - 20

x^2 - 8x - 20 (x - 10)(x+2) (Explanation and helping understanding) Remember the last 2 numbers must multiply to equal the last number in the question and add together to equal the middle number. See that th...
CS
Answered by Christian S. • Maths tutor
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Explain how change in blood flow to a runner's muscles helps him to run.

An increase in blood flow to the skeletal muscles means that more glucose and oxygen is delivered to the muscles via the blood. These are both needed in aerobic respiration to produce ATP/ energy for muscle ...
SW
Answered by Susannah W. • Biology tutor
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Describe three ways in which the body maintains its temperature in different climates

The temperature of the body is detected by the thermoregulatory centre in the hypothalamus in the brain, which can detect the temperature of the blood. Therefore it recieves information about changes to the ...
VW
Answered by Victoria W. • Biology tutor
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Expand 5(2x-6)

To begin answering this question create a small grid put 5 on the left hand side and put 2x and -6 seperately at the top of the grid then you can multiply 5 by 2x to gain 10x and multiply 5 by -6 to gain -30...
ZY
Answered by Zaarah Y. • Maths tutor
8934 Views

How did Hitler effectively get rid of opposition?

As Hitler aimed to convert German to a dictatorship from a democracy, one key issue always undermined his efforts – his opposition. For Hitler to effectively gain power, he realised that he had to remove his...
OO
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