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In algebra, long expressions can be simplified which makes them easier to solve.

We can simplify alebraic expressions by collecting together "like terms".

Wh...

You would use the quadratic formula when trying to find the value of a variable such as x in a quadratic equation but it can not be successfully factorised with whole numbers. Treating the the equatio...

Factorising is a way of 'converting' an equation into a form with brackets in order to make it more useful and easier to manipulate. It is the reverse of expan...