[tex]\bf ~~~~~~~~~~~~\textit{distance between 2 points}
\\\\
G(\stackrel{x_1}{3}~,~\stackrel{y_1}{-1})\qquad
H(\stackrel{x_2}{-2}~,~\stackrel{y_2}{3})\qquad \qquad
% distance value
d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2}
\\\\\\
x=\sqrt{[-2-3]^2+[3-(-1)]^2}\implies x=\sqrt{(-2-3)^2+(3+1)^2}
\\\\\\
x=\sqrt{(-5)^2+4^2}\implies x=\sqrt{25+16}\implies x=\sqrt{41}\implies x\approx 6.4031[/tex]