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Expand and simplify (x+4)(x-5).

For this, we use the FOIL method of expanding brackets; start by multiplying the FIRST terms of each bracket together to get x x=x^2. Next multiply the OUTSIDE elements, ie the first element in the first bra...
AJ
Answered by Alex J. • Maths tutor
30596 Views

Explain how climate change threatens extreme environments. (6 marks)

Climate change can be described as a context hazard due to its worldwide impact. However, the effects that climate change has upon extreme environments poses a severe threat. Temperature fluctuations for exa...
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Answered by Imogen W. • Geography tutor
4829 Views

Solve the simultaneous equations: y=2x+2, y=x^2 - 1

The solution to this question can be obtained algebraically using substitution. As both equations are equal to y, this also means they are equal to each other. So firstly, substitute the simpler equation whi...
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Answered by Sahil N. • Maths tutor
14669 Views

What is the best way to structure a timed essay?

Before beginning any essay it is always helpful to have a clear structure in mind and to spend a few minutes applying your structure to the question you are given. A simple framework that can be moulded to f...
TD
4876 Views

Translate into French: HI, my name is Claudia, I am sixteen years old and I am in year 11. I used to live in America with my Dad.

Salut, je m'appele Claudia, j'ai seize ans et je suis en seconde. J'habitais aux Etats-Unis avec mon père.
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Answered by Taiwo O. • French tutor
9635 Views