Question

how to solve this 60n-n2-900=0
(n2 is n square)

Answer 1

Answer:

Dear Mate !

Step-by-step explanation:

1.It can be written as (n^2)-60n+900=0.

2.Then (n^2)-30n-30n+900=0. (Here 60n is written as -30n+(-30n),as 900×coefficient of n^2 is 1=30×30)

3.Now( (n-30)×n)+30 (n-30))=0.(In this equation at first common is taken that is n,+30.)

4.Now we get n=-30,+30.

One more quadratic method also there.If you want it repost the question.I will explain it.

Hope this answer helps you.

Please mark this answer as brainliest answer.