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Simplifying
16 = x2 + -12
Reorder the terms:
16 = -12 + x2
Solving
16 = -12 + 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.
16 + -1x2 = -12 + x2 + -1x2
Combine like terms: x2 + -1x2 = 0
16 + -1x2 = -12 + 0
16 + -1x2 = -12
Add '-16' to each side of the equation.
16 + -16 + -1x2 = -12 + -16
Combine like terms: 16 + -16 = 0
0 + -1x2 = -12 + -16
-1x2 = -12 + -16
Combine like terms: -12 + -16 = -28
-1x2 = -28
Divide each side by '-1'.
x2 = 28
Simplifying
x2 = 28
Take the square root of each side:
x = {-5.291502622, 5.291502622}
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