Question

solve the equation n^2+n-380=0​

Answer 1

Answer:n=-20,19

Step-by-step explanation:

Answer 2

Answer:

either 19 or -20

Step-by-step explanation:

n = ( -1 ± √1521)÷2

 = either 19 or -20

use the following formula in the case of any equation in the form of ax² + bx + c :

x =( -b ± √b²- 4ac) ÷ 2a