66=x^2-5

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Solution for 66=x^2-5 equation:


Simplifying
66 = x2 + -5

Reorder the terms:
66 = -5 + x2

Solving
66 = -5 + x2

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-1x2' to each side of the equation.
66 + -1x2 = -5 + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
66 + -1x2 = -5 + 0
66 + -1x2 = -5

Add '-66' to each side of the equation.
66 + -66 + -1x2 = -5 + -66

Combine like terms: 66 + -66 = 0
0 + -1x2 = -5 + -66
-1x2 = -5 + -66

Combine like terms: -5 + -66 = -71
-1x2 = -71

Divide each side by '-1'.
x2 = 71

Simplifying
x2 = 71

Take the square root of each side:
x = {-8.426149773, 8.426149773}

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