SOLUTION: 9x^2+10x+10=8x^2-15 What is the smallest solution? I got the discriminate to be 0 and 0 is the correct answer, but when i tried to find the smallest solution i came up with -10

Algebra ->  Equations -> SOLUTION: 9x^2+10x+10=8x^2-15 What is the smallest solution? I got the discriminate to be 0 and 0 is the correct answer, but when i tried to find the smallest solution i came up with -10      Log On


   



Question 352881: 9x^2+10x+10=8x^2-15
What is the smallest solution?
I got the discriminate to be 0 and 0 is the correct answer, but when i tried to find the smallest solution i came up with -10 and that is not the correct answer.

Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
subtracting 8x^2-15 ___ x^2 + 10x + 25 = 0

factoring ___ (x + 5)^2 = 0