Question

What are the roots of the quadratice equation x2=9?

Answer 1

Answer:

+3,-3

Step-by-step explanation:

here,

$x^{2} = 9\\taking square root on both sides\\\\\sqrt{x^2} =\sqrt{9} \\x= +3,-3$

therefore, +3 and -3 are the roots of the give quadratic equation

hope it helps

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