$$5+3+4+3+5-x630$$
$20-x_{630}$
$$8+4+3+5-x_{630}$$
$$12+3+5-x_{630}$$
$$15+5-x_{630}$$
$$20-x_{630}$$
Show Solution
Hide Solution
$-1$
$$\frac{\mathrm{d}}{\mathrm{d}x_{630}}(8+4+3+5-x_{630})$$
$$\frac{\mathrm{d}}{\mathrm{d}x_{630}}(12+3+5-x_{630})$$
$$\frac{\mathrm{d}}{\mathrm{d}x_{630}}(15+5-x_{630})$$
$$\frac{\mathrm{d}}{\mathrm{d}x_{630}}(20-x_{630})$$
$$-x_{630}^{1-1}$$
$$-x_{630}^{0}$$
$$-1$$