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Simplifying
38 = x2 + 19
Reorder the terms:
38 = 19 + x2
Solving
38 = 19 + 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.
38 + -1x2 = 19 + x2 + -1x2
Combine like terms: x2 + -1x2 = 0
38 + -1x2 = 19 + 0
38 + -1x2 = 19
Add '-38' to each side of the equation.
38 + -38 + -1x2 = 19 + -38
Combine like terms: 38 + -38 = 0
0 + -1x2 = 19 + -38
-1x2 = 19 + -38
Combine like terms: 19 + -38 = -19
-1x2 = -19
Divide each side by '-1'.
x2 = 19
Simplifying
x2 = 19
Take the square root of each side:
x = {-4.358898944, 4.358898944}
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