Question 586778
the x-intercepts are when y equals zero (also called roots)


0 = 3x^2 + 18x + 15


dividing by 3 ___ 0 = x^2 + 6x + 5


factoring ___ 0 = (x + 5)(x + 1)


x + 5 = 0 ___ x = -5


x + 1 = 0 ___ x = -1