Question

3n^2-53n-230=0
pls solve this quadratic eq.

Answer 1

Hello Guys,

Correct answer is here...

3n^2-53n-230=0

3n^2-(30+23)n-230=0

3n^2-30n-23n-230=0

3n(n-10)-23(n-10)=0

(n-10) (3n-23)=0

so, n-10=0, then n=10

or

3n-23=0, then n = 23/3

Thankyou Buddy......
Goodnight !!