Question

$n ^{2} + 1n = 210$
find the value of n​

Answer 1

Hope u like this answer

Answer 2

Step-by-step explanation:

n²+n=210

n²+n-210=0

n²+15n-14n-210

n(n+15)-14(n+15)

(n-14)(n+15)

n-14=0

n=14