<PRE><B>Question 1021784</B>
x^2 + 1 = 10
:
subtract 1 from both sides of =
:
x^2 = 9
:
take square root of both sides of =
:
x = 3 or x = -3
:
note that 3 * 3 = 9 and -3 * -3 = 9, where * means Multiply
:
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