0.25=(5-x)/(x^2+9)

Lösung

0.25 = \frac{5 - x}{x ^{2} + 9}

x = - 2 + 15, x = - 2 - 15

Dezimale

x = 1.87298 \dots, x = - 5.87298 \dots

Schritte zur Lösung

0.25 = \frac{5 - x}{x ^{2} + 9}

Multipliziere beide Seiten mit

x^{2} + 9

0.25 (x^{2} + 9) = 5 - x

Löse

0.25 (x^{2} + 9) = 5 - x : x = - 2 + 15, x = - 2 - 15

x = - 2 + 15, x = - 2 - 15

\frac{20}{x} = - 5

\frac{20}{x} = - 4

\frac{7}{8 + 3 x} = \frac{24}{4}

\frac{20}{x} = 10

\frac{a - b}{b} = \frac{a - x}{x}, a