Answer:
(-9, 0) (5, 0)
Step-by-step explanation:
if we set y to 0, then we get:
0 = [tex]x^{2}[/tex] + 4x - 45
Now, we have to find what the x value is to equal 0.
0 = [tex]-9^{2}[/tex] + 4(-9) - 45
0 = 81 - 36 - 45
0 = 45 - 45
0 = [tex]5^{2}[/tex] + 4(5) - 45
0 = 25 + 20 - 45
0 = 45 - 45