SOLUTION: Solve by extraction of roots. a. (2x-5)^2=9 b. 6*(w-1)/3 -4=2

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: Solve by extraction of roots. a. (2x-5)^2=9 b. 6*(w-1)/3 -4=2      Log On


   

Question 532142: Solve by extraction of roots.
a. (2x-5)^2=9


b. 6*(w-1)/3 -4=2
Answer by oberobic(2304) About Me  (Show Source):
You can put this solution on YOUR website!
a.
(2x-5)^2 = 9
so
2x-5 = +/- 3
.
2x -5 = 3
2x = 8
x = 4
.
2x -5 = -3
2x = 2
x = 1
.
+graph%28500%2C500%2C-5%2C10%2C-10%2C25%2C%282%2Ax-5%29%5E2-9%29+
.
.