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Simplifying
7x2 + -122 = 0
Reorder the terms:
-122 + 7x2 = 0
Solving
-122 + 7x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '122' to each side of the equation.
-122 + 122 + 7x2 = 0 + 122
Combine like terms: -122 + 122 = 0
0 + 7x2 = 0 + 122
7x2 = 0 + 122
Combine like terms: 0 + 122 = 122
7x2 = 122
Divide each side by '7'.
x2 = 17.42857143
Simplifying
x2 = 17.42857143
Take the square root of each side:
x = {-4.174754056, 4.174754056}
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