Question 0107a

Equations and Inequalities
2007 Paper 1 Question 1 Variant

Question

Show that
4x225x+16x26x+83=x27x8x26x+8.\frac{ 4 x^2 - 25 x + 16 }{ x^2 - 6 x + 8 } - 3=\frac{ x^2 - 7 x - 8 }{ x^2 - 6 x + 8 }.
Hence, without using a calculator, solve the inequality
4x225x+16x26x+8>3\frac{ 4 x^2 - 25 x + 16 }{ x^2 - 6 x + 8 } > 3
[5]

Answer