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Algebra 3 – Factorising the sum of two cubes and difference of two cubes

Name: Algebra 3 – Factorising the sum of two cubes and difference of two cubes
Uploaded: 2020-07-17T09:54:08+00:00
Duration: 11 min 9 s
Description: Learn to Factorise a sum of cubes: a³ + b³ = (a + b)(a² − ab + b²), Factorise a difference of cubes: a³ − b³ = (a − b)(a² + ab + b²), Recognise the perfect cubes 1, 8, 27, …, 1000 on sight.

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You’ll learn

Factorise a sum of cubes: a³ + b³ = (a + b)(a² − ab + b²)
Factorise a difference of cubes: a³ − b³ = (a − b)(a² + ab + b²)
Recognise the perfect cubes 1, 8, 27, …, 1000 on sight
Pull out a common factor first to reveal a hidden cube structure

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