Question

n^2+3n=208 calcular n sabiendo que es numero entero positivo

Answer 1

n²+3n=208
n²+3n-208=0
factorizar

x²+16x+13x-208=0
x(x+16)+13x-208=0
(x+16)x(x-13x)

x+16=0
x-13=0
x1= -16
x2= 13
listo