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Solution assignment 03 Linear inequalities

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Assignment 3

Solve:

3x(2x+4)-(x+3)<4x^2+2(x^2-2)

Solution

We work out the left- and right-hand side:

6x^2+12x-x-3<4x^2+2x^2-4

11x-3<-4

11x<-1

x<\displaystyle-\frac{1}{11}

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