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Simplifying
0 = 12x2 + 8 + -15
Reorder the terms:
0 = 8 + -15 + 12x2
Combine like terms: 8 + -15 = -7
0 = -7 + 12x2
Solving
0 = -7 + 12x2
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-12x2' to each side of the equation.
0 + -12x2 = -7 + 12x2 + -12x2
Remove the zero:
-12x2 = -7 + 12x2 + -12x2
Combine like terms: 12x2 + -12x2 = 0
-12x2 = -7 + 0
-12x2 = -7
Divide each side by '-12'.
x2 = 0.5833333333
Simplifying
x2 = 0.5833333333
Take the square root of each side:
x = {-0.763762616, 0.763762616}
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