Eric is a freelance writer and an OG 'round these parts. Since leaving Android Police, his work has been in Lifehacker, The New York Times, OneZero, PCMag, and a bunch of other places. Catch him on ...
In algebra, letters are used to stand for values that can change (variables) or for values that aren’t known (unknowns). A term is a number or letter on its own, or numbers and letters multiplied ...
To remove brackets is to multiply the term outside the brackets by each term inside. Factorising an expression is to write it as a product of its factors. Check your understanding of the process with ...
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