z=(2+i)(2+2i)

Lösung

z = (2 + i) (2 + 2 i)

z = 2 + 6 i

Schritte zur Lösung

z = (2 + i) (2 + 2 i)

Vereinfache

(2 + i) (2 + 2 i) : 2 + 6 i

z = 2 + 6 i

111 = 3

\frac{5 x}{6} - \frac{3 x}{7} = - 2

4 (2 x + 3) = - 12

2 z + 7 = 5 z - 8 (z - 4)

2 y - 5 + 3 y = 25 + \frac{13}{3} y