Question

I am unsure can anyone help

Answer 1

`(6x + 1) = {(x - 9)}^(2) \\ {x}^(2) - 18x + 81 - 6x - 1 = {x}^(2) - 24x + 80 = 0 \\ x 1= (24 + √(256) )/(2 * 1) = (24 + 16)/(2) = 20 \\ x 1= (24 - √(256) )/(2 * 1) = (24 - 16)/(2) = 4`

Answer 2

Explanation:

B. 20 only

hope it helps.

stay safe healthy and happy.