In algebra, letters are used to stand for values that can change (variables) or for values that are not known (unknowns). A term is a number or letter on its own, or numbers and letters multiplied ...
An animated guide to simplifying algebraic expressions. Rules for grouping like terms together, multiplying out brackets and factorising are covered. Use to introduce working with algebraic ...
Meet PhotoMath, an iPhone and Android app that solves math problems photographed with your smartphone’s camera. Simply flip open the app, scan the problem as it appears in the textbook, and the app ...
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