Question 0116

Equations and Inequalities
2016 Paper 1 Question 1 Variant

Question

(a)
Express 7x2+18x+5x+4(5x+1){\displaystyle \frac{ 7 x^2 + 18 x + 5 }{ x + 4 } - (5 x + 1)} as a single simplified fraction.
[2]
(b)
Hence without using a calculator, solve the inequality
7x2+18x+5x+4>5x+1\frac{ 7 x^2 + 18 x + 5 }{ x + 4 } > 5 x + 1
[3]

Answer