add 3(x+y),4(x+y),9(x+y),-10(x+y),3(x+y),-5(x+y),7(x+y) and -3(x+y)
(x^4+3x^3-8x^2-27x-9) / (x^2-9)
4+2\sqrt{4+ \sqrt{2} }4+2 .4−2\sqrt{4- \sqrt{2} }4−2
x^4+3x^3-8x^2-27x-9 / x^2-9
$\sqrt{\4+ $\sqrt{\2}$ }$ . $\sqrt{\4- $\sqrt{\2}$ }$
Solve this equation.
`5w=17.5`
division por 2 79 grados 30 segundos divison horizontal
Convert 0.8 to a fraction and percentage.
2+√5 ÷—1
5 kg x ½ x (0,2 m/s)²
