Answer:
x = 13/5 or –13/5
Step-by-step explanation:
25x² – 169 = 0
Using quadratic formula:
Let a=25, b=0 and c=–169
Recall,
–b ± (√b²–4ac)/2a
–0 ± (√0²–4(25)(–169))/2(25)
–0 ± (√0 + 16900)/50
(–0 ± 130)/50
x = (– 0 + 130)/50 or (–0–130)/50
x = 13/5 or –13/5
