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Solve cubic equations algebraically

Find the roots of cubic equations algebraically (given factorised form)

3 hand-picked video lessons for this topic, each checked for relevance and clarity, graded by difficulty and labelled by depth. Press play to watch — nothing loads from YouTube until you do.

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3:32
Grade 7–9 Core 🇺🇸 US

Solving Cubic Equations (factoring)

Maude Meeker 1M views

Clear, concise walk-through of solving a cubic by factoring to find its roots.

3:11
Grade 8–9 Core 🇬🇧 UK

Algebra - Solving Cubic Equations - Trial and Improvement

MME 338 views

UK Higher-tier examples factorising cubics into brackets to reach the roots.

10:17
Grade 8–9 Stretch 🇺🇸 US

Factoring Cubic Polynomials- Algebra 2 & Precalculus

The Organic Chemistry Tutor 2.2M views

Thorough guide to factoring cubics by grouping and finding roots, with clear worked examples.