Question

3y^2-62y-315=0
solve it

Answer 1

  solution

using formula

a=3    b=-62    c=-315

using

x=-b+or+√b²-4*a*c/2a

x=-(-62)+or-√(-62)²-4*3*-315/2*3

x=62+or-√3844+3780/6

x=62+or-√7624/6

x=62+or-2√1906/6

⇒x=(62+2√1906)/6   or   x=(62-2√1906)/6

⇒x=(31+√1906)/3      or   x=(31-√1906)/3

Answer 2

Answer:

Can't we do it with factorization