Please help i cant figure out how to do this stupid problem

Question

asked Aug 24, 2021 52.3k views

2 Answers

Swagath · Answer 1 · 2021-08-26T20:54:59+0000

Answer:

(x + 8)^2 = 1.

Explanation:

We use the identity x^2 + ax + b = (x + a/2)^2 - (a/2)^2 + b.

x^2 + 16x + 63 = 0

(x +16/2)^2 - (16/2)^2 + 63 = 0

(x + 8)^2 - 64 + 63 = 0

(x + 8)^2 - 1 = 0

(x + 8)^2 = 1.