Question

Solve the quadratic equation. (x - 5)2 = 9 A) x = 5 or 3 B) x = 8 or 2 C) x = 3 or 2 D) x = -5 or 3 E) x = -8 or 2

Answer 1

(x-5)2=9
Make the equation equal to 0
(X-5)2-9=0
For each question sub in the value given for x.
A) (5-5)2-9
(0)2-9
0-9
-9
B) (8-5)2-9
(3)2-9
6-9
-3
C) (3-5)2-9
(-2)2-9
-4-9
-13
D) (-5-5)2-9
(-10)2-9
-20-9
-29
E) (-8-5)2-9
(-13)2-9
-26-9
-35
Hope this helps!