Question

Solve for x: (x - 9)^2

Answer 1

x- 9 = 0

Answer 2

18

Answer 3

how did you get 18?

Answer 4

x = 2x - 18
18 = 2x -x
18 = x

Answer 5

so first you square the entire thing?

Answer 6

oh that that's a square..

Answer 7

yes sorry

Answer 8

please write (x - 9)^2

Answer 9

so is the first step to square it?

Answer 10

then it would come out to x= x^2 - 81?

Answer 11

hello?

Answer 12

x = (x - 9)^2
x = x^2 - 18x + 81
0 = x^2 - 19x + 81
(now use quadratic formula to solve x)
x = 6.46
or
x = 12.54

Answer 13

x- 9 = 0
=> x = 9