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Simplifying
3x2 + 3 = 27
Reorder the terms:
3 + 3x2 = 27
Solving
3 + 3x2 = 27
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-3' to each side of the equation.
3 + -3 + 3x2 = 27 + -3
Combine like terms: 3 + -3 = 0
0 + 3x2 = 27 + -3
3x2 = 27 + -3
Combine like terms: 27 + -3 = 24
3x2 = 24
Divide each side by '3'.
x2 = 8
Simplifying
x2 = 8
Take the square root of each side:
x = {-2.828427125, 2.828427125}
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