GCSE Maths - Solving Algebraic Inequalities with 2 Inequality Signs (Inequalities Part 3) #58

This video covers how to solve equations that contain 2 inequality signs. For example how to get and unknown letter like x by itself.

This is part 1 of our 4 part series on inequalities.
Part 1 - Introduction to inequalities
Part 2 - Solving Algebraic Inequalities - With 1 Inequality Sign
Part 3 - Solving Algebraic Inequalities - With 2 Inequality Signs (this video)
Part 4 - Inequalities on Graphs

This video is suitable for maths courses around the world.
KS3 - All on your course
GCSE Foundation - All on your course
GCSE Higher - All on your course

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Amadeus & Tom

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[lo]

thank you i couldnt understand how to do these with 2 inequality signs, but what happens if your X isnt in the middle, would you have to move it?

[wardaasif]

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[pizadude]

i have a question, when you divided and multiplied the equalities do you just flip the symbols if its a negative number?

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Sir can you explain to me why when I did the question x^2-7x+12>0, the answer appears to be x<3 or x>4 but when I did the question x^2+9x+8<0 the answer was -8<x<-1. Both the questions are similar but the answers are formed differently, do you know why?

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