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MathematicsAlgebraic Expressions
From "what is a variable?" to expanding (a+b)², factorising quadratic expressions, and using algebraic identities to find 52² mentally. 15 concepts covering terms, coefficients, like terms, operations, identities, and factorisation.
15 concepts
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What You'll Learn
What variables and constants are
Terms, coefficients, and factors
Like and unlike terms
Addition and subtraction of expressions
Multiplication of algebraic expressions
Algebraic identities: (a+b)², (a-b)², a²-b²
Expanding expressions step by step
Factorisation by common factors
Factorisation by grouping
Using identities for mental math
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