Question

x²+x, quando x=
$\frac{1}{2}$

Answer 1

$x^{2} +x\\\\ \frac{1}{2} ^{2}+ \frac{1}{2} \\\\ \frac{1}{4} + \frac{1}{2} \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ mmc\ de\ 2\ e\ 4\ =4\\\\ \frac{4:4.1}{4} + \frac{4:2.1}{4} \\\\ \frac{1}{4} + \frac{2}{4} =\boxed{\boxed{ \frac{3}{4} }}\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ok$