Solve for x: Quadratic Inequalities problem | (x+1)(x-3) greater than 12 | iCampSA
Автор: iCampSA
Загружено: 2026-02-22
Просмотров: 25
Описание:
In this lesson, we tackle a classic algebra problem: solving the quadratic inequality (x+1)(x-3) greater than 12. This is an essential skill for Grade 11 and 12 learners preparing for Math Paper 1 in the South African NSC and IEB exams.
In this tutorial, we cover:
How to properly expand the brackets and set the inequality to zero.
Factorizing to find the correct critical values.
How to use the number line method to determine the final solution.
About ICampSA:ICampSA provides top-tier online extra classes for Grade 10 to 12 learners. We specialize in Mathematics, Physical Sciences, and Accounting, breaking down complex topics into easy, manageable steps to help you ace your exams.
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