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Solve x^2=4(x-3)^2

To solve this equation we need to expand the right hand side to get: x^2 = 4(x^2-6x+9), then we multiply whats in the bracket by 4 to get: x^2 = 4x^2 - 24x +36. We can subtract x^2 from both sides to give: 3...
KF
Answered by Kelsi F. • Maths tutor
5666 Views

What is a good exam technique when the exam is highly time pressured?

Make sure that you keep an eye on the time, and plan out how long you're going to spend on each question in advance of the exam. Always start by taking a moment to think about your answers, and annotate the ...
JW
Answered by Jenny W. • English tutor
2511 Views

Discuss the role of women in 'An Inspector Calls'.

Introduction - Define key points e.g. Feminist readings of the play, introduce main characters and relationships e.g. Eva Green as victim of the patriarchal oppression that Mrs Birling and Sheila are also un...
KH
Answered by Kitty H. • English tutor
10338 Views

'Othello's downfall is not due to his jealousy, but his hubris'. Discuss with relation to the play as a whole.

Introduction - Define key words and introduce key quotations e.g. 'green eyed monster that doth mock the meat it feeds on', 'sweet Desdemon', 'I hate the Moor, and it is thought abroad that 'twixt my sheets ...
KH
Answered by Kitty H. • English tutor
3490 Views

In genetics, what is sex linkage and give an example

Sex linkage refers to a trait which is coded for by a gene on a sex chromosome, in mammals these are the X and Y chromosomes. As males are XY and females XX, alleles on these chromosomes have different proba...
SE
Answered by Shirin E. • Biology tutor
14055 Views