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When factorising an expression, you first want to find the highest common factor in each term of the expression. Here, our terms are 20 and 5. The highest common factor here is 5, so we want to take 5 out...

When factorizing a quadratic equation you need to try and find 2 numbers that add up to give the 2nd term and times together to give the 3rd term. We can find these 2 numbers by looking at the factors of ...

x=-4, x=2When you see a quadratic equation like this, the first thing you should try and do is factorise it. You need to find two numbers that add together to make the second term of the equation - in thi...

X=6 X=-3This simple question is the fundamental step of a vest argebra topics. Having a good understanding of this topic is crucial to studens who want to do well. Alternative method is to use quadratic f...

We want to get the the sqrt(27) and sqrt(192) so that they have the same number in the square so they can then be added together. We will look at the factorisation of 27, 192. We can see 27 is divisible b...