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Simplifying
12x2 + -8 + -20 = 0
Reorder the terms:
-8 + -20 + 12x2 = 0
Combine like terms: -8 + -20 = -28
-28 + 12x2 = 0
Solving
-28 + 12x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '28' to each side of the equation.
-28 + 28 + 12x2 = 0 + 28
Combine like terms: -28 + 28 = 0
0 + 12x2 = 0 + 28
12x2 = 0 + 28
Combine like terms: 0 + 28 = 28
12x2 = 28
Divide each side by '12'.
x2 = 2.333333333
Simplifying
x2 = 2.333333333
Take the square root of each side:
x = {-1.527525232, 1.527525232}
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