Question

Given (x – 7)2 = 36, select the values of x.

х = 13
х = 1
x = -29
х = 42
ОО

Answer 1

13 my dude hope it’s right

Answer 2

`x_(1) = 1\\\\x_(2) = 13`

Explanation:

(x – 7)^2 = 36

x^2 -14x +49 =36

x^2 -14x +13= 0

using quadratic formula

`x =\frac{-b+-\sqrt{b^(2)-4*a*c}}{2*a}`

a= 1 b= -14 c =13

we have:

`x_(1) = 1\\\\x_(2) = 13`