Question 0107a

Equations and Inequalities
2007 Paper 1 Question 1 Variant

Question

Show that
3x22x64x22x82=x2+2x48x22x8.\frac{ 3 x^2 - 2 x - 64 }{ x^2 - 2 x - 8 } - 2=\frac{ x^2 + 2 x - 48 }{ x^2 - 2 x - 8 }.
Hence, without using a calculator, solve the inequality
3x22x64x22x8<2\frac{ 3 x^2 - 2 x - 64 }{ x^2 - 2 x - 8 } < 2
[5]

Answer