# Differentiate function y=(1-2x^2)?

$\frac{\mathrm{dy}}{\mathrm{dx}} = 1 \frac{d}{\mathrm{dx}} - 2 {x}^{2} \frac{d}{\mathrm{dx}}$
$\frac{\mathrm{dy}}{\mathrm{dx}} = 0 - 4 x = - 4 x$
Take the derivative of the constant 1 minus the derivative of $2 {x}^{2}$