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Simplifying
x2 + -7 = 14 + -2x2
Reorder the terms:
-7 + x2 = 14 + -2x2
Solving
-7 + x2 = 14 + -2x2
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '2x2' to each side of the equation.
-7 + x2 + 2x2 = 14 + -2x2 + 2x2
Combine like terms: x2 + 2x2 = 3x2
-7 + 3x2 = 14 + -2x2 + 2x2
Combine like terms: -2x2 + 2x2 = 0
-7 + 3x2 = 14 + 0
-7 + 3x2 = 14
Add '7' to each side of the equation.
-7 + 7 + 3x2 = 14 + 7
Combine like terms: -7 + 7 = 0
0 + 3x2 = 14 + 7
3x2 = 14 + 7
Combine like terms: 14 + 7 = 21
3x2 = 21
Divide each side by '3'.
x2 = 7
Simplifying
x2 = 7
Take the square root of each side:
x = {-2.645751311, 2.645751311}
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