Question 667719
{{{f(x) = 2x^2 - 7x - 30 }}}


to find the zeros of a function we are finding the X intercepts.
so y=o

2x^2 - 7x - 30 =0

{{{2x^2-12x+5x-30=0}}}

{{{2x(x-6)+5(x-6)=0}}}

{{{(2x+5)(x-6)=0}}}

either 2x+5 =0 OR x-6 =0

 -5/2 and 6 are the zeros of the function