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Simplifying
-3x2 + -7 = -67
Reorder the terms:
-7 + -3x2 = -67
Solving
-7 + -3x2 = -67
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '7' to each side of the equation.
-7 + 7 + -3x2 = -67 + 7
Combine like terms: -7 + 7 = 0
0 + -3x2 = -67 + 7
-3x2 = -67 + 7
Combine like terms: -67 + 7 = -60
-3x2 = -60
Divide each side by '-3'.
x2 = 20
Simplifying
x2 = 20
Take the square root of each side:
x = {-4.472135955, 4.472135955}
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