find the roots of the quadratic equation x^2-9=0
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+3 nd -3 ........ya it's answer
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6
x^2 - 9 = 0
x^2 = 9
√x^2 = √9
x = 3 or -3
x^2 = 9
√x^2 = √9
x = 3 or -3
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