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As this is a 4 mark question you are expected to make 4 points; 1 for each mark This question is asking you to describe differences. You do not need to explain why there ...

x² + x - 12 = 0/ x² + 4x - 3x - 12 = 0 (split x into two numbers which multiply to equal -12)/ x(x + 4) - 3(x + 4) = 0 (take out x and 3 respectively)/ (x + 4)(x - 3) = 0 (collect te...

An ion can be an atom or a group of atoms that are charged. This means they can be positively charged or negatively charged.A positive ion is formed when the atom loses electrons. Because electrons have a...

So it is easiest if we first draw out the triangle and label it.We use an equation called Pythagoras' Theorem. This equation is A^2 + B^2 = C^2So we know the length of side A (3) and side C (6), lets put ...

Hippocrates developed many key ideas with regard to medicine and many of his key ideas survived for many hundreds of years after his life as they were preserved in books by the church. The main idea put f...