30 pts! solve the following equation. (x - 18)^2 = 1 A. x= 19 and x=17 B. x = -19 and x= -17 C. x=-19 and x= 17 D. x= 19 and x= -17

Question

asked Nov 12, 2020 231k views

2 Answers

WhiteOne · Answer 1 · 2020-11-17T22:33:40+0000

Answer:

D - x = 19 x = -17

Explanation:

Factor the equation to make the problem easier - you should have this:

(x - 18) (x + 18) = 1

Set each binomial to 1:

x - 18 = 1

x + 18 = 1

This should give you x = 19 and x = -17