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Simplifying
x2 + 2 + 5 = 68
Reorder the terms:
2 + 5 + x2 = 68
Combine like terms: 2 + 5 = 7
7 + x2 = 68
Solving
7 + x2 = 68
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-7' to each side of the equation.
7 + -7 + x2 = 68 + -7
Combine like terms: 7 + -7 = 0
0 + x2 = 68 + -7
x2 = 68 + -7
Combine like terms: 68 + -7 = 61
x2 = 61
Simplifying
x2 = 61
Take the square root of each side:
x = {-7.810249676, 7.810249676}
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