Derive results using algebraic substitution

Substituting values


Without a calculator, putting any number (i.e. fractions, decimals, negatives) into linear and non-linear expressions, formulae/functions and equations including common mathematical and non-maths formulae, including tables of values, also examples of the type:- derive the value of a²+2ab+b² from (a+b)² by substituting suitable values of a and b. e.g. given (a+b)² = a² + 2ab + b² substitute values of a and b to find the value of 17² + 102 + 3². Include negative integer powers
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