Exam Help! Paper 1A - Pertanyaan 1

$latex 1.1\ \ Selesaikan\ dan\ tentukan\ nilai\ x:\\\begin{matrix} \ \quad \end{matrix}1.1.1\ \ (x+2)^2=-5\\\begin{matrix} \quad \ \end{matrix}1.1.2\ \ -x^2+3x=-5\ \ (teliti\ sampai\ dengan\ 2\ tempat\ desimal)\\\begin{matrix} \ \quad \end{matrix}1.1.3\ \ x^2\le 4x\\\\1.2\ \ Selesaikan\ sistem\ persamaan\ berikut\ ini\ dan\ tentukan\ nilai\\\begin{matrix} \quad \ \end{matrix}x\ dan\ y:\\\begin{matrix} \quad \ \end{matrix}x-3y=1\ dan\ x^2-2xy+9y^2=17\\\\1.3\ \ Hitunglah,\ tanpa\ menggunakan\ kalkulator,\ nilai\ dari\\\\\begin{matrix} \quad \ \end{matrix}\sqrt{\frac{2^{5003}-2^{5001}}{2\Big(2^{5000}\Big)}+1}$