what are the zeros of the function?

Question

f(x)=2xsquared + 7x +3

Answer 1

0 =2 x^2 + 7 x + 3
7 is 2*3+1
so
0 = (2x+1)(x+3)
x = -1/2 or -3
Now that is all. They are all the same. Try some yourself.