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Simplifying
30 = 3x2 + 1
Reorder the terms:
30 = 1 + 3x2
Solving
30 = 1 + 3x2
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-3x2' to each side of the equation.
30 + -3x2 = 1 + 3x2 + -3x2
Combine like terms: 3x2 + -3x2 = 0
30 + -3x2 = 1 + 0
30 + -3x2 = 1
Add '-30' to each side of the equation.
30 + -30 + -3x2 = 1 + -30
Combine like terms: 30 + -30 = 0
0 + -3x2 = 1 + -30
-3x2 = 1 + -30
Combine like terms: 1 + -30 = -29
-3x2 = -29
Divide each side by '-3'.
x2 = 9.666666667
Simplifying
x2 = 9.666666667
Take the square root of each side:
x = {-3.109126351, 3.109126351}
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