Question

zero product property to find the x-intercepts

Answer 1

example

x^2+3x+2 = 0
implies
(x+2)(x+1)=0

now with real numbers
ab=0 implies that either a is zero or b is zero
so

(x+2)(x+1)=0 implies that either x+2=0 or x+1 = 0

so the roots are x=-2 or x=-1