Solve simple quadratic equations after factoring by grouping

Reason For Learning

An important part of your quadratic factoring toolset: You need to identify when you can quickly factor a quadratic by: recognising a difference of two squares; looking for repeated factors, and grouping them together.

Learning Intention

Factorise quadratics that have two or four terms in them. Use the difference of squares identity to factorise a quadratic.

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ACMNA230 Level 10

Factorise algebraic expressions by taking out a common algebraic factor

ACMNA233 Level 10

Expand binomial products and factorise monic quadratic expressions using a variety of strategies

ACMNA241 Level 10

Solve simple quadratic equations using a range of strategies