19-x^2=1

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Solution for 19-x^2=1 equation: 


Simplifying
19 + -1x2 = 1

Solving
19 + -1x2 = 1

Solving for variable 'x'.

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

Add '-19' to each side of the equation.
19 + -19 + -1x2 = 1 + -19

Combine like terms: 19 + -19 = 0
0 + -1x2 = 1 + -19
-1x2 = 1 + -19

Combine like terms: 1 + -19 = -18
-1x2 = -18

Divide each side by '-1'.
x2 = 18

Simplifying
x2 = 18

Take the square root of each side:
x = {-4.242640687, 4.242640687}

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