Question

(n² – 3n – 21) = (n - 7)​

Answer 1

Answer: n = 2 ± 3 √ 2

Step-by-step explanation: Solve the equation for

n

by finding

a

,

b

, and

c

of the quadratic then applying the quadratic formula.

Exact Form:

n

=

2

±

3

√

2

Decimal Form:

n

=

6.24264068

…

,

−

2.24264068

…