Junior Cycle · Algebra
⏱ Tested in 1 exam question since 2023
Lesson 8 of 21
JCHL Algebra 8: Factorising 2
You’ll learn
- Difference of two squares formula: a² - b² = (a+b)(a-b)
- Difference of two squares: two square terms with a MINUS between them
- Square-root each term, then write two brackets: one with a plus, one with a minus
Learning work
- Difference of two squares formula: a² - b² = (a+b)(a-b)
- Difference of two squares: two square terms with a MINUS between them
- Square-root each term, then write two brackets: one with a plus, one with a minus
- It only works with a minus between the terms (that is the word "difference")
Most recent exam questions
- 2023 JCHL Q9(b)
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