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Simplifying
-3x2 + 11 = -136
Reorder the terms:
11 + -3x2 = -136
Solving
11 + -3x2 = -136
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-11' to each side of the equation.
11 + -11 + -3x2 = -136 + -11
Combine like terms: 11 + -11 = 0
0 + -3x2 = -136 + -11
-3x2 = -136 + -11
Combine like terms: -136 + -11 = -147
-3x2 = -147
Divide each side by '-3'.
x2 = 49
Simplifying
x2 = 49
Take the square root of each side:
x = {-7, 7}
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