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ZIMSEC O-Level Additional Mathematics

6.1.2.3Factor theorem and factorisation

Factor theorem and factorisation in ZIMSEC O-Level Additional Mathematics: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic22 practice questions1 lesson

Learning objectives

What the syllabus expects you to be able to do.

  1. 6.1.2.3.1Form 3: identify factors of given polynomials and factorise them completely.

Lessons

  • Factorising cubics and solving cubic equations

    40 min

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Sample question

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

Factor theorem and factorisation: 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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