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Simplifying
-3x2 + 1 = -11
Reorder the terms:
1 + -3x2 = -11
Solving
1 + -3x2 = -11
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-1' to each side of the equation.
1 + -1 + -3x2 = -11 + -1
Combine like terms: 1 + -1 = 0
0 + -3x2 = -11 + -1
-3x2 = -11 + -1
Combine like terms: -11 + -1 = -12
-3x2 = -12
Divide each side by '-3'.
x2 = 4
Simplifying
x2 = 4
Take the square root of each side:
x = {-2, 2}
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