F(x)= x^2+x-12/ x^2-4 find the x and y intercepts and find x when f(x)=1

f(x) = (x+4)(x-3) / (x+2)(x-2)

y=0 when x = 3 or -4
x=0 when y = 3

f(1) = (5)(-2) / (3)(-1) = -10/-3 = 10/3