SOLUTION: x^2+6x+9=25, give exact and approximate within 3 decimal places.

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: x^2+6x+9=25, give exact and approximate within 3 decimal places.      Log On


   

Question 441280: x^2+6x+9=25, give exact and approximate within 3 decimal places.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi

x^2+6x+9=25

factoring left side

(x+3)^2 = 25

 x+3 = ± 5   |taking the square root of both sides of the EQ

 x = -3 ± 5

  x = -8 and x = 2