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Simplifying
15x2 + -4 = 12
Reorder the terms:
-4 + 15x2 = 12
Solving
-4 + 15x2 = 12
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '4' to each side of the equation.
-4 + 4 + 15x2 = 12 + 4
Combine like terms: -4 + 4 = 0
0 + 15x2 = 12 + 4
15x2 = 12 + 4
Combine like terms: 12 + 4 = 16
15x2 = 16
Divide each side by '15'.
x2 = 1.066666667
Simplifying
x2 = 1.066666667
Take the square root of each side:
x = {-1.032795559, 1.032795559}
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