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Simplifying
6x2 + -8 = 286
Reorder the terms:
-8 + 6x2 = 286
Solving
-8 + 6x2 = 286
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '8' to each side of the equation.
-8 + 8 + 6x2 = 286 + 8
Combine like terms: -8 + 8 = 0
0 + 6x2 = 286 + 8
6x2 = 286 + 8
Combine like terms: 286 + 8 = 294
6x2 = 294
Divide each side by '6'.
x2 = 49
Simplifying
x2 = 49
Take the square root of each side:
x = {-7, 7}
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