Answer:
Step-by-step explanation:
Let's go:
[tex](x - 3)^2 - 10 = 15 \\\ (x - 3)^2 = 15 + 10 \\\ (x - 3)^2 = 25 \\\ x - 3 = \sqrt{25} \\\ x - 3 = \pm 5[/tex]
Solution #1:
x - 3 = 5
x = 5 + 3
x = 8
Solution #2:
x - 3 = - 5
x = - 5 + 3
x = - 2
I hope I helped you.
