An expression ____ shows an ____ sign. Factorisation involves putting ____ ____. A ____ is a type of equation that shows a ____ for finding something'. When we ____, we ____ brackets. The 'float and ping' ____ relates to ____ equations. An example of a ____ ____ is, x + 4 = 20 An example of a ____ equation is, ____ + 4x + 4 = 0 Algebra containing <, ____ etc are most likely ____. Algebra ____ '≡' are ____. When you solve an equation, you aim to ____ the ____.

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