June 2019 Paper 1 Q9

9 \(y = 2x(x^2 - 5x)\)

Circle the expression for \(\quad \dfrac{\mathrm{d}y}{\mathrm{d}x}\) [1 mark]

• \(2(2x - 5)\)
• \(6x^2 - 20\)
• \(3x^2 - 10x\)
• \(6x^2 - 20x\)