Connect the ideas
Collect only like terms.
Bracket negative substituted values.
Multiply factors and cancel only nonzero common factors.
An outside factor reaches every bracketed term.
Check factorisation by expanding.
One matching input does not prove equivalence.
Use inverse operations on both sides to rearrange formulas.
Topic test
Complete each paper and show your working.
Algebraic expressions topic test
15 questions · 35 marks · 45 minutes · By hand