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Square both sides and do normal algebraic expansion to solve it :)
Date Posted:
3 years ago
x = -6 must be rejected.
It won’t fit very well into the original equation, because LHS becomes sqrt 9 which is 3 (not +- 3 in this case) and RHS is -3.
It won’t fit very well into the original equation, because LHS becomes sqrt 9 which is 3 (not +- 3 in this case) and RHS is -3.