Question

For which value of x does the graph of y = 3x^2 - 2x - 5 cross the x-axis?

Answer 1

Set the equation equal to zero, factor, solve for x.

Answer 2

3x^2 − 2x − 5=0

(x+1)(3x-5)=0

x+1=0 ,3x-5=0

x=-1 ,3x=5

x=5/3

so x=-1 and x=5/3

Answer x=-1

Hope this helps!