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Simplifying
3x2 + -100 = 8
Reorder the terms:
-100 + 3x2 = 8
Solving
-100 + 3x2 = 8
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '100' to each side of the equation.
-100 + 100 + 3x2 = 8 + 100
Combine like terms: -100 + 100 = 0
0 + 3x2 = 8 + 100
3x2 = 8 + 100
Combine like terms: 8 + 100 = 108
3x2 = 108
Divide each side by '3'.
x2 = 36
Simplifying
x2 = 36
Take the square root of each side:
x = {-6, 6}
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