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Simplifying
x2 + 5 = 84
Reorder the terms:
5 + x2 = 84
Solving
5 + x2 = 84
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-5' to each side of the equation.
5 + -5 + x2 = 84 + -5
Combine like terms: 5 + -5 = 0
0 + x2 = 84 + -5
x2 = 84 + -5
Combine like terms: 84 + -5 = 79
x2 = 79
Simplifying
x2 = 79
Take the square root of each side:
x = {-8.888194417, 8.888194417}
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