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Simplifying
3x2 + 2 = 56
Reorder the terms:
2 + 3x2 = 56
Solving
2 + 3x2 = 56
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-2' to each side of the equation.
2 + -2 + 3x2 = 56 + -2
Combine like terms: 2 + -2 = 0
0 + 3x2 = 56 + -2
3x2 = 56 + -2
Combine like terms: 56 + -2 = 54
3x2 = 54
Divide each side by '3'.
x2 = 18
Simplifying
x2 = 18
Take the square root of each side:
x = {-4.242640687, 4.242640687}
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