Question 0107a

Equations and Inequalities
2007 Paper 1 Question 1 Variant

Question

Show that
4x28x+39x2+2x33=x214x+48x2+2x3.\frac{ 4 x^2 - 8 x + 39 }{ x^2 + 2 x - 3 } - 3=\frac{ x^2 - 14 x + 48 }{ x^2 + 2 x - 3 }.
Hence, without using a calculator, solve the inequality
4x28x+39x2+2x3>3\frac{ 4 x^2 - 8 x + 39 }{ x^2 + 2 x - 3 } > 3
[5]

Answer