Schreibweise: Wurzel aus A = W(A)
300n^2+15000n-1000000=0 | - 1000000
300 n^2 + 15000 n = 1000000 | :3 00
n^2 + 50 n = 10000/3 | +25^2
n^2 + 50 n +25^2 = 10000/3 + 625
(n+25)^2 =11875/3 | W(...)
n+25 = W(11875/3) oder n+25 = - W(11875/3)
n = -25 +W(11875/3) oder n = -25 - W(11875/3)
gerundet: n = 37,915 oder n= - 87,915