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Cambridge IGCSE Additional Mathematics

3Factors of polynomials

Factors of polynomials in Cambridge IGCSE Additional Mathematics: what the syllabus expects you to know, the learning objectives and how to practise.
Topic61 practice questions3 lessons

In this topic

Lessons

  • The remainder and factor theorems

    35 min

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  • Factorising cubics and solving cubic equations

    40 min

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  • Polynomials: terms, operations and long division

    35 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Factors of polynomials: sample question

1 mark

How many real roots does the equation (x−1)(x2+x+5)=0(x - 1)\left(x^{2} + x + 5\right) = 0 have?

Only if the answer has a unit, e.g. cm or km/h.

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