SOLUTION: i was told solve the quadratic equation X^2 -9 =0

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Question 1092261: i was told solve the quadratic equation
X^2 -9 =0
Answer by ikleyn(52790) About Me  (Show Source):
You can put this solution on YOUR website!
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Step 1:  Move  -9  to the right side with the opposite sign:   x^2 = 9.

Step 2.  Take the square root from both sides to get   x = +/- 3.

The equation has two solutions:  x= 3   and  x= -3.