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You must first identify which sides you are given. If you have been given both sides which are not the hypotenuse (the longest side opposite the ninety degree angle) then you can use the equation:

Have you heard of the BODMAS / BIDMAS rule? 

This rule changes your answer from 42 to 3 instead. that is because this rule says you need to follow a specific order when calculating. It se...

First of all, we have to raise to the power of two the first equation and will obtain: p^2 + 5q = 64. 
We have to proceed the same for the second equation and will obtain: p^2 - 3q = 36. 
S...

We start off by drawing attention to the first number in the question, 12. The number can be broken down into multiples by dividing it by the lowest number (that isn't 1): This breakdown is as follows:...

When it comes to simultaneous equations, there are two methods that we can use to solve them. The first method is called substitution, where we make one of the variables the subject in on...