f=(-1^2-21)/(3+12)

Lösung

f = \frac{- 1 ^{2} - 21}{3 + 12}

f = - \frac{22}{15}

Dezimale

f = - 1.46666 \dots

Schritte zur Lösung

f = \frac{- 1 ^{2} - 21}{3 + 12}

Vereinfache

\frac{- 1 ^{2} - 21}{3 + 12} : - \frac{22}{15}

f = - \frac{22}{15}

x - \frac{1}{2} + \frac{1}{6} = \frac{1}{5} - \frac{3}{4}

3 (x + 6) = x + 8 + x

\frac{2 x}{3} - 5 = 1

\frac{1}{3} - \frac{1}{2} (\frac{3}{5} x - 7) = \frac{1}{2} - \frac{1}{3} (7 - \frac{3}{5} x)

2 x = 3 x - 2