SOLUTION: Solve the inequality. x^2 - 9 < 0

Algebra.Com
Question 869946: Solve the inequality.
x^2 - 9 < 0

Answer by lenny460(1073)   (Show Source): You can put this solution on YOUR website!
Solve the inequality.
x^2 - 9 < 0
Add 9 to each side of the inequality.
x^2 - 9 + 9 < 0 + 9
Combine like terms:
-9 + 9 = 0
0 + 9 = 9
Therefore we now have:
x^2 < 9
The square root of x^2 is x.
The square root of 9 is 3.

Answer:
x < 3





lennox obuong
algebra tutor

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