SOLUTION: x^(2)+12x=-27 i need to know how to do it, i have the answer but when i try it out i get another final answer, i think its -3 and -9.

Algebra ->  Equations -> SOLUTION: x^(2)+12x=-27 i need to know how to do it, i have the answer but when i try it out i get another final answer, i think its -3 and -9.       Log On


   



Question 648266: x^(2)+12x=-27 i need to know how to do it, i have the answer but when i try it out i get another final answer, i think its -3 and -9.

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
x%5E%282%29%2B12x=-27
x%5E2%2B12x%2B27+=+0
(x+3)*(x+9) = 0
x = -3
x = -9